Home / 45,349,750,812.30-68,024,626,218.45-42,447,374,364.30

Finding the Fourth Proportional to 45,349,750,812.30, 68,024,626,218.45 and 42,447,374,364.30

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Solution

The fourth proportional to 45,349,750,812.30, 68,024,626,218.45 and 42,447,374,364.30 is: 63,671,061,546.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,349,750,812.30 : 68,024,626,218.45 = 42,447,374,364.30 : x
  2. Step 2: Convert to fraction form
    45,349,750,812.30/68,024,626,218.45 = 42,447,374,364.30/x
  3. Step 3: Cross multiply
    45,349,750,812.30x = 68,024,626,218.45 × 42,447,374,364.30
  4. Step 4: Simplify right side
    45,349,750,812.30x = 2,887,466,775,086,124,498,944
  5. Step 5: Solve for x
    x = 2,887,466,775,086,124,498,944/45,349,750,812.30
  6. Step 6: Final answer
    x = 63,671,061,546.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.