Home / 1,691,565,399.52-2,539,838,875.20-946,041,820.72

Finding the Fourth Proportional to 1,691,565,399.52, 2,539,838,875.20 and 946,041,820.72

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Solution

The fourth proportional to 1,691,565,399.52, 2,539,838,875.20 and 946,041,820.72 is: 1,420,455,747.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,565,399.52 : 2,539,838,875.20 = 946,041,820.72 : x
  2. Step 2: Convert to fraction form
    1,691,565,399.52/2,539,838,875.20 = 946,041,820.72/x
  3. Step 3: Cross multiply
    1,691,565,399.52x = 2,539,838,875.20 × 946,041,820.72
  4. Step 4: Simplify right side
    1,691,565,399.52x = 2,402,793,793,829,644,800
  5. Step 5: Solve for x
    x = 2,402,793,793,829,644,800/1,691,565,399.52
  6. Step 6: Final answer
    x = 1,420,455,747.39

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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.