Home / 435,480,685.20-653,221,027.80-251,814,675.60

Finding the Fourth Proportional to 435,480,685.20, 653,221,027.80 and 251,814,675.60

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Solution

The fourth proportional to 435,480,685.20, 653,221,027.80 and 251,814,675.60 is: 377,722,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,480,685.20 : 653,221,027.80 = 251,814,675.60 : x
  2. Step 2: Convert to fraction form
    435,480,685.20/653,221,027.80 = 251,814,675.60/x
  3. Step 3: Cross multiply
    435,480,685.20x = 653,221,027.80 × 251,814,675.60
  4. Step 4: Simplify right side
    435,480,685.20x = 164,490,641,210,555,552
  5. Step 5: Solve for x
    x = 164,490,641,210,555,552/435,480,685.20
  6. Step 6: Final answer
    x = 377,722,013.40

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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.