Home / 356,616,006.90-534,924,010.35-299,220,378.90

Finding the Fourth Proportional to 356,616,006.90, 534,924,010.35 and 299,220,378.90

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Solution

The fourth proportional to 356,616,006.90, 534,924,010.35 and 299,220,378.90 is: 448,830,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,616,006.90 : 534,924,010.35 = 299,220,378.90 : x
  2. Step 2: Convert to fraction form
    356,616,006.90/534,924,010.35 = 299,220,378.90/x
  3. Step 3: Cross multiply
    356,616,006.90x = 534,924,010.35 × 299,220,378.90
  4. Step 4: Simplify right side
    356,616,006.90x = 160,060,165,059,634,528
  5. Step 5: Solve for x
    x = 160,060,165,059,634,528/356,616,006.90
  6. Step 6: Final answer
    x = 448,830,568.35

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1.5x scale

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.