Home / 959,838,439.30-1,438,493,526.63-406,456,129.39

Finding the Fourth Proportional to 959,838,439.30, 1,438,493,526.63 and 406,456,129.39

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Solution

The fourth proportional to 959,838,439.30, 1,438,493,526.63 and 406,456,129.39 is: 609,148,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,838,439.30 : 1,438,493,526.63 = 406,456,129.39 : x
  2. Step 2: Convert to fraction form
    959,838,439.30/1,438,493,526.63 = 406,456,129.39/x
  3. Step 3: Cross multiply
    959,838,439.30x = 1,438,493,526.63 × 406,456,129.39
  4. Step 4: Simplify right side
    959,838,439.30x = 584,684,510,986,600,704
  5. Step 5: Solve for x
    x = 584,684,510,986,600,704/959,838,439.30
  6. Step 6: Final answer
    x = 609,148,880.74

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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.