Home / 387,877,114.20-581,815,671.30-242,474,856.60

Finding the Fourth Proportional to 387,877,114.20, 581,815,671.30 and 242,474,856.60

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Solution

The fourth proportional to 387,877,114.20, 581,815,671.30 and 242,474,856.60 is: 363,712,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,877,114.20 : 581,815,671.30 = 242,474,856.60 : x
  2. Step 2: Convert to fraction form
    387,877,114.20/581,815,671.30 = 242,474,856.60/x
  3. Step 3: Cross multiply
    387,877,114.20x = 581,815,671.30 × 242,474,856.60
  4. Step 4: Simplify right side
    387,877,114.20x = 141,075,671,466,100,224
  5. Step 5: Solve for x
    x = 141,075,671,466,100,224/387,877,114.20
  6. Step 6: Final answer
    x = 363,712,284.90

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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.