Home / 439,931,470.40-659,897,205.60-433,129,025.60

Finding the Fourth Proportional to 439,931,470.40, 659,897,205.60 and 433,129,025.60

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Solution

The fourth proportional to 439,931,470.40, 659,897,205.60 and 433,129,025.60 is: 649,693,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,931,470.40 : 659,897,205.60 = 433,129,025.60 : x
  2. Step 2: Convert to fraction form
    439,931,470.40/659,897,205.60 = 433,129,025.60/x
  3. Step 3: Cross multiply
    439,931,470.40x = 659,897,205.60 × 433,129,025.60
  4. Step 4: Simplify right side
    439,931,470.40x = 285,820,633,657,690,880
  5. Step 5: Solve for x
    x = 285,820,633,657,690,880/439,931,470.40
  6. Step 6: Final answer
    x = 649,693,538.40

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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.