Home / 556,446,001.68-838,668,677.40-479,649,832.20

Finding the Fourth Proportional to 556,446,001.68, 838,668,677.40 and 479,649,832.20

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Solution

The fourth proportional to 556,446,001.68, 838,668,677.40 and 479,649,832.20 is: 722,922,420.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,446,001.68 : 838,668,677.40 = 479,649,832.20 : x
  2. Step 2: Convert to fraction form
    556,446,001.68/838,668,677.40 = 479,649,832.20/x
  3. Step 3: Cross multiply
    556,446,001.68x = 838,668,677.40 × 479,649,832.20
  4. Step 4: Simplify right side
    556,446,001.68x = 402,267,290,386,305,920
  5. Step 5: Solve for x
    x = 402,267,290,386,305,920/556,446,001.68
  6. Step 6: Final answer
    x = 722,922,420.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.