Home / 926,221,504.40-1,389,332,256.60-496,239,808.40

Finding the Fourth Proportional to 926,221,504.40, 1,389,332,256.60 and 496,239,808.40

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Solution

The fourth proportional to 926,221,504.40, 1,389,332,256.60 and 496,239,808.40 is: 744,359,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,221,504.40 : 1,389,332,256.60 = 496,239,808.40 : x
  2. Step 2: Convert to fraction form
    926,221,504.40/1,389,332,256.60 = 496,239,808.40/x
  3. Step 3: Cross multiply
    926,221,504.40x = 1,389,332,256.60 × 496,239,808.40
  4. Step 4: Simplify right side
    926,221,504.40x = 689,441,972,819,123,584
  5. Step 5: Solve for x
    x = 689,441,972,819,123,584/926,221,504.40
  6. Step 6: Final answer
    x = 744,359,712.60

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1.5x scale

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.