Home / 514,875,463.20-772,611,793.20-191,791,994.40

Finding the Fourth Proportional to 514,875,463.20, 772,611,793.20 and 191,791,994.40

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Solution

The fourth proportional to 514,875,463.20, 772,611,793.20 and 191,791,994.40 is: 287,799,220.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,875,463.20 : 772,611,793.20 = 191,791,994.40 : x
  2. Step 2: Convert to fraction form
    514,875,463.20/772,611,793.20 = 191,791,994.40/x
  3. Step 3: Cross multiply
    514,875,463.20x = 772,611,793.20 × 191,791,994.40
  4. Step 4: Simplify right side
    514,875,463.20x = 148,180,756,714,788,384
  5. Step 5: Solve for x
    x = 148,180,756,714,788,384/514,875,463.20
  6. Step 6: Final answer
    x = 287,799,220.02

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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.