Home / 659,536,235.60-989,304,353.40-429,953,723.60

Finding the Fourth Proportional to 659,536,235.60, 989,304,353.40 and 429,953,723.60

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Solution

The fourth proportional to 659,536,235.60, 989,304,353.40 and 429,953,723.60 is: 644,930,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,536,235.60 : 989,304,353.40 = 429,953,723.60 : x
  2. Step 2: Convert to fraction form
    659,536,235.60/989,304,353.40 = 429,953,723.60/x
  3. Step 3: Cross multiply
    659,536,235.60x = 989,304,353.40 × 429,953,723.60
  4. Step 4: Simplify right side
    659,536,235.60x = 425,355,090,518,020,352
  5. Step 5: Solve for x
    x = 425,355,090,518,020,352/659,536,235.60
  6. Step 6: Final answer
    x = 644,930,585.40

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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.