Home / 1,872,137,434.60-2,808,206,151.90-904,678,618.60

Finding the Fourth Proportional to 1,872,137,434.60, 2,808,206,151.90 and 904,678,618.60

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Solution

The fourth proportional to 1,872,137,434.60, 2,808,206,151.90 and 904,678,618.60 is: 1,357,017,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872,137,434.60 : 2,808,206,151.90 = 904,678,618.60 : x
  2. Step 2: Convert to fraction form
    1,872,137,434.60/2,808,206,151.90 = 904,678,618.60/x
  3. Step 3: Cross multiply
    1,872,137,434.60x = 2,808,206,151.90 × 904,678,618.60
  4. Step 4: Simplify right side
    1,872,137,434.60x = 2,540,524,062,244,913,664
  5. Step 5: Solve for x
    x = 2,540,524,062,244,913,664/1,872,137,434.60
  6. Step 6: Final answer
    x = 1,357,017,927.90

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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.