Home / 514,875,464.20-772,611,794.70-191,791,995.40

Finding the Fourth Proportional to 514,875,464.20, 772,611,794.70 and 191,791,995.40

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Solution

The fourth proportional to 514,875,464.20, 772,611,794.70 and 191,791,995.40 is: 287,799,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,875,464.20 : 772,611,794.70 = 191,791,995.40 : x
  2. Step 2: Convert to fraction form
    514,875,464.20/772,611,794.70 = 191,791,995.40/x
  3. Step 3: Cross multiply
    514,875,464.20x = 772,611,794.70 × 191,791,995.40
  4. Step 4: Simplify right side
    514,875,464.20x = 148,180,757,775,088,160
  5. Step 5: Solve for x
    x = 148,180,757,775,088,160/514,875,464.20
  6. Step 6: Final answer
    x = 287,799,221.52

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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.