Home / 1,942,165,890.60-2,913,248,835.90-715,174,909.80

Finding the Fourth Proportional to 1,942,165,890.60, 2,913,248,835.90 and 715,174,909.80

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Solution

The fourth proportional to 1,942,165,890.60, 2,913,248,835.90 and 715,174,909.80 is: 1,072,762,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,165,890.60 : 2,913,248,835.90 = 715,174,909.80 : x
  2. Step 2: Convert to fraction form
    1,942,165,890.60/2,913,248,835.90 = 715,174,909.80/x
  3. Step 3: Cross multiply
    1,942,165,890.60x = 2,913,248,835.90 × 715,174,909.80
  4. Step 4: Simplify right side
    1,942,165,890.60x = 2,083,482,473,439,737,344
  5. Step 5: Solve for x
    x = 2,083,482,473,439,737,344/1,942,165,890.60
  6. Step 6: Final answer
    x = 1,072,762,364.70

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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.