Home / 466,024,305.60-643,355,336.88-340,435,480.68

Finding the Fourth Proportional to 466,024,305.60, 643,355,336.88 and 340,435,480.68

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Solution

The fourth proportional to 466,024,305.60, 643,355,336.88 and 340,435,480.68 is: 469,977,597.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,024,305.60 : 643,355,336.88 = 340,435,480.68 : x
  2. Step 2: Convert to fraction form
    466,024,305.60/643,355,336.88 = 340,435,480.68/x
  3. Step 3: Cross multiply
    466,024,305.60x = 643,355,336.88 × 340,435,480.68
  4. Step 4: Simplify right side
    466,024,305.60x = 219,020,983,358,786,144
  5. Step 5: Solve for x
    x = 219,020,983,358,786,144/466,024,305.60
  6. Step 6: Final answer
    x = 469,977,597.15

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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.