Home / 1,680,521,807.15-2,520,782,710.73-854,024,763.95

Finding the Fourth Proportional to 1,680,521,807.15, 2,520,782,710.73 and 854,024,763.95

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Solution

The fourth proportional to 1,680,521,807.15, 2,520,782,710.73 and 854,024,763.95 is: 1,281,037,145.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,521,807.15 : 2,520,782,710.73 = 854,024,763.95 : x
  2. Step 2: Convert to fraction form
    1,680,521,807.15/2,520,782,710.73 = 854,024,763.95/x
  3. Step 3: Cross multiply
    1,680,521,807.15x = 2,520,782,710.73 × 854,024,763.95
  4. Step 4: Simplify right side
    1,680,521,807.15x = 2,152,810,859,500,429,568
  5. Step 5: Solve for x
    x = 2,152,810,859,500,429,568/1,680,521,807.15
  6. Step 6: Final answer
    x = 1,281,037,145.93

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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.