Home / 870,096,695.67-1,200,758,191.38-473,645,252.07

Finding the Fourth Proportional to 870,096,695.67, 1,200,758,191.38 and 473,645,252.07

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Solution

The fourth proportional to 870,096,695.67, 1,200,758,191.38 and 473,645,252.07 is: 653,643,921.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,096,695.67 : 1,200,758,191.38 = 473,645,252.07 : x
  2. Step 2: Convert to fraction form
    870,096,695.67/1,200,758,191.38 = 473,645,252.07/x
  3. Step 3: Cross multiply
    870,096,695.67x = 1,200,758,191.38 × 473,645,252.07
  4. Step 4: Simplify right side
    870,096,695.67x = 568,733,416,231,297,472
  5. Step 5: Solve for x
    x = 568,733,416,231,297,472/870,096,695.67
  6. Step 6: Final answer
    x = 653,643,921.49

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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.