Home / 675,663,631.20-932,425,436.34-389,549,497.01

Finding the Fourth Proportional to 675,663,631.20, 932,425,436.34 and 389,549,497.01

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Solution

The fourth proportional to 675,663,631.20, 932,425,436.34 and 389,549,497.01 is: 537,583,855.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,663,631.20 : 932,425,436.34 = 389,549,497.01 : x
  2. Step 2: Convert to fraction form
    675,663,631.20/932,425,436.34 = 389,549,497.01/x
  3. Step 3: Cross multiply
    675,663,631.20x = 932,425,436.34 × 389,549,497.01
  4. Step 4: Simplify right side
    675,663,631.20x = 363,225,859,720,914,688
  5. Step 5: Solve for x
    x = 363,225,859,720,914,688/675,663,631.20
  6. Step 6: Final answer
    x = 537,583,855.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.