Home / 528,409,862.40-792,614,793.60-140,292,595.20

Finding the Fourth Proportional to 528,409,862.40, 792,614,793.60 and 140,292,595.20

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Solution

The fourth proportional to 528,409,862.40, 792,614,793.60 and 140,292,595.20 is: 210,438,892.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,409,862.40 : 792,614,793.60 = 140,292,595.20 : x
  2. Step 2: Convert to fraction form
    528,409,862.40/792,614,793.60 = 140,292,595.20/x
  3. Step 3: Cross multiply
    528,409,862.40x = 792,614,793.60 × 140,292,595.20
  4. Step 4: Simplify right side
    528,409,862.40x = 111,197,986,388,056,352
  5. Step 5: Solve for x
    x = 111,197,986,388,056,352/528,409,862.40
  6. Step 6: Final answer
    x = 210,438,892.80

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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.