Home / 406,712,442.30-610,068,663.45-355,694,106.30

Finding the Fourth Proportional to 406,712,442.30, 610,068,663.45 and 355,694,106.30

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Solution

The fourth proportional to 406,712,442.30, 610,068,663.45 and 355,694,106.30 is: 533,541,159.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,712,442.30 : 610,068,663.45 = 355,694,106.30 : x
  2. Step 2: Convert to fraction form
    406,712,442.30/610,068,663.45 = 355,694,106.30/x
  3. Step 3: Cross multiply
    406,712,442.30x = 610,068,663.45 × 355,694,106.30
  4. Step 4: Simplify right side
    406,712,442.30x = 216,997,828,027,483,264
  5. Step 5: Solve for x
    x = 216,997,828,027,483,264/406,712,442.30
  6. Step 6: Final answer
    x = 533,541,159.45

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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.