Home / 870,146,657.40-1,200,802,516.75-473,672,656.80

Finding the Fourth Proportional to 870,146,657.40, 1,200,802,516.75 and 473,672,656.80

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Solution

The fourth proportional to 870,146,657.40, 1,200,802,516.75 and 473,672,656.80 is: 653,668,336.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,146,657.40 : 1,200,802,516.75 = 473,672,656.80 : x
  2. Step 2: Convert to fraction form
    870,146,657.40/1,200,802,516.75 = 473,672,656.80/x
  3. Step 3: Cross multiply
    870,146,657.40x = 1,200,802,516.75 × 473,672,656.80
  4. Step 4: Simplify right side
    870,146,657.40x = 568,787,318,405,285,248
  5. Step 5: Solve for x
    x = 568,787,318,405,285,248/870,146,657.40
  6. Step 6: Final answer
    x = 653,668,336.90

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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.