Home / 438,065,744,187.28-604,534,276,482.22-242,752,288,546.76

Finding the Fourth Proportional to 438,065,744,187.28, 604,534,276,482.22 and 242,752,288,546.76

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Solution

The fourth proportional to 438,065,744,187.28, 604,534,276,482.22 and 242,752,288,546.76 is: 335,000,125,137.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,065,744,187.28 : 604,534,276,482.22 = 242,752,288,546.76 : x
  2. Step 2: Convert to fraction form
    438,065,744,187.28/604,534,276,482.22 = 242,752,288,546.76/x
  3. Step 3: Cross multiply
    438,065,744,187.28x = 604,534,276,482.22 × 242,752,288,546.76
  4. Step 4: Simplify right side
    438,065,744,187.28x = 146,752,079,121,018,651,672,576
  5. Step 5: Solve for x
    x = 146,752,079,121,018,651,672,576/438,065,744,187.28
  6. Step 6: Final answer
    x = 335,000,125,137.11

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Double scale
Find fourth proportional to 438,065,744,188.28, 604,534,276,483.60 and 242,752,288,547.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.