Home / 465,154,495.40-641,884,275.96-256,298,950.28

Finding the Fourth Proportional to 465,154,495.40, 641,884,275.96 and 256,298,950.28

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Solution

The fourth proportional to 465,154,495.40, 641,884,275.96 and 256,298,950.28 is: 353,676,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,154,495.40 : 641,884,275.96 = 256,298,950.28 : x
  2. Step 2: Convert to fraction form
    465,154,495.40/641,884,275.96 = 256,298,950.28/x
  3. Step 3: Cross multiply
    465,154,495.40x = 641,884,275.96 × 256,298,950.28
  4. Step 4: Simplify right side
    465,154,495.40x = 164,514,266,129,785,856
  5. Step 5: Solve for x
    x = 164,514,266,129,785,856/465,154,495.40
  6. Step 6: Final answer
    x = 353,676,612.30

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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.