Home / 1,439,050,123.20-2,158,575,184.80-1,335,737,992.80

Finding the Fourth Proportional to 1,439,050,123.20, 2,158,575,184.80 and 1,335,737,992.80

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Solution

The fourth proportional to 1,439,050,123.20, 2,158,575,184.80 and 1,335,737,992.80 is: 2,003,606,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,050,123.20 : 2,158,575,184.80 = 1,335,737,992.80 : x
  2. Step 2: Convert to fraction form
    1,439,050,123.20/2,158,575,184.80 = 1,335,737,992.80/x
  3. Step 3: Cross multiply
    1,439,050,123.20x = 2,158,575,184.80 × 1,335,737,992.80
  4. Step 4: Simplify right side
    1,439,050,123.20x = 2,883,290,884,652,641,280
  5. Step 5: Solve for x
    x = 2,883,290,884,652,641,280/1,439,050,123.20
  6. Step 6: Final answer
    x = 2,003,606,989.20

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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.