Home / 672,221,827.76-927,670,169.52-374,882,868.32

Finding the Fourth Proportional to 672,221,827.76, 927,670,169.52 and 374,882,868.32

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Solution

The fourth proportional to 672,221,827.76, 927,670,169.52 and 374,882,868.32 is: 517,340,615.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,221,827.76 : 927,670,169.52 = 374,882,868.32 : x
  2. Step 2: Convert to fraction form
    672,221,827.76/927,670,169.52 = 374,882,868.32/x
  3. Step 3: Cross multiply
    672,221,827.76x = 927,670,169.52 × 374,882,868.32
  4. Step 4: Simplify right side
    672,221,827.76x = 347,767,654,004,558,208
  5. Step 5: Solve for x
    x = 347,767,654,004,558,208/672,221,827.76
  6. Step 6: Final answer
    x = 517,340,615.32

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Double scale
Find fourth proportional to 672,221,828.76, 927,670,170.90 and 374,882,869.32
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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.