Home / 451,009,263.60-676,513,895.40-144,332,377.20

Finding the Fourth Proportional to 451,009,263.60, 676,513,895.40 and 144,332,377.20

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Solution

The fourth proportional to 451,009,263.60, 676,513,895.40 and 144,332,377.20 is: 216,498,565.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,009,263.60 : 676,513,895.40 = 144,332,377.20 : x
  2. Step 2: Convert to fraction form
    451,009,263.60/676,513,895.40 = 144,332,377.20/x
  3. Step 3: Cross multiply
    451,009,263.60x = 676,513,895.40 × 144,332,377.20
  4. Step 4: Simplify right side
    451,009,263.60x = 97,642,858,731,914,128
  5. Step 5: Solve for x
    x = 97,642,858,731,914,128/451,009,263.60
  6. Step 6: Final answer
    x = 216,498,565.80

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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.