Home / 870,146,657.53-1,200,802,516.92-473,672,656.93

Finding the Fourth Proportional to 870,146,657.53, 1,200,802,516.92 and 473,672,656.93

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Solution

The fourth proportional to 870,146,657.53, 1,200,802,516.92 and 473,672,656.93 is: 653,668,337.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,146,657.53 : 1,200,802,516.92 = 473,672,656.93 : x
  2. Step 2: Convert to fraction form
    870,146,657.53/1,200,802,516.92 = 473,672,656.93/x
  3. Step 3: Cross multiply
    870,146,657.53x = 1,200,802,516.92 × 473,672,656.93
  4. Step 4: Simplify right side
    870,146,657.53x = 568,787,318,636,478,336
  5. Step 5: Solve for x
    x = 568,787,318,636,478,336/870,146,657.53
  6. Step 6: Final answer
    x = 653,668,337.07

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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.