Home / 530,458,599.48-726,730,873.98-510,577,130.88

Finding the Fourth Proportional to 530,458,599.48, 726,730,873.98 and 510,577,130.88

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Solution

The fourth proportional to 530,458,599.48, 726,730,873.98 and 510,577,130.88 is: 699,493,164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,458,599.48 : 726,730,873.98 = 510,577,130.88 : x
  2. Step 2: Convert to fraction form
    530,458,599.48/726,730,873.98 = 510,577,130.88/x
  3. Step 3: Cross multiply
    530,458,599.48x = 726,730,873.98 × 510,577,130.88
  4. Step 4: Simplify right side
    530,458,599.48x = 371,052,164,556,708,608
  5. Step 5: Solve for x
    x = 371,052,164,556,708,608/530,458,599.48
  6. Step 6: Final answer
    x = 699,493,164.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.