Home / 413,514,822.30-620,272,233.45-260,459,814.30

Finding the Fourth Proportional to 413,514,822.30, 620,272,233.45 and 260,459,814.30

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Solution

The fourth proportional to 413,514,822.30, 620,272,233.45 and 260,459,814.30 is: 390,689,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,514,822.30 : 620,272,233.45 = 260,459,814.30 : x
  2. Step 2: Convert to fraction form
    413,514,822.30/620,272,233.45 = 260,459,814.30/x
  3. Step 3: Cross multiply
    413,514,822.30x = 620,272,233.45 × 260,459,814.30
  4. Step 4: Simplify right side
    413,514,822.30x = 161,555,990,739,833,280
  5. Step 5: Solve for x
    x = 161,555,990,739,833,280/413,514,822.30
  6. Step 6: Final answer
    x = 390,689,721.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.