Home / 870,146,657.15-1,200,802,516.41-473,672,656.55

Finding the Fourth Proportional to 870,146,657.15, 1,200,802,516.41 and 473,672,656.55

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Solution

The fourth proportional to 870,146,657.15, 1,200,802,516.41 and 473,672,656.55 is: 653,668,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,146,657.15 : 1,200,802,516.41 = 473,672,656.55 : x
  2. Step 2: Convert to fraction form
    870,146,657.15/1,200,802,516.41 = 473,672,656.55/x
  3. Step 3: Cross multiply
    870,146,657.15x = 1,200,802,516.41 × 473,672,656.55
  4. Step 4: Simplify right side
    870,146,657.15x = 568,787,317,941,051,712
  5. Step 5: Solve for x
    x = 568,787,317,941,051,712/870,146,657.15
  6. Step 6: Final answer
    x = 653,668,336.56

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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.