Home / 656,369,671.40-906,069,046.50-408,973,259.24

Finding the Fourth Proportional to 656,369,671.40, 906,069,046.50 and 408,973,259.24

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Solution

The fourth proportional to 656,369,671.40, 906,069,046.50 and 408,973,259.24 is: 564,556,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,369,671.40 : 906,069,046.50 = 408,973,259.24 : x
  2. Step 2: Convert to fraction form
    656,369,671.40/906,069,046.50 = 408,973,259.24/x
  3. Step 3: Cross multiply
    656,369,671.40x = 906,069,046.50 × 408,973,259.24
  4. Step 4: Simplify right side
    656,369,671.40x = 370,558,011,043,584,128
  5. Step 5: Solve for x
    x = 370,558,011,043,584,128/656,369,671.40
  6. Step 6: Final answer
    x = 564,556,875.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.