Home / 510,897,797.20-766,346,695.80-147,404,011.60

Finding the Fourth Proportional to 510,897,797.20, 766,346,695.80 and 147,404,011.60

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Solution

The fourth proportional to 510,897,797.20, 766,346,695.80 and 147,404,011.60 is: 221,106,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,897,797.20 : 766,346,695.80 = 147,404,011.60 : x
  2. Step 2: Convert to fraction form
    510,897,797.20/766,346,695.80 = 147,404,011.60/x
  3. Step 3: Cross multiply
    510,897,797.20x = 766,346,695.80 × 147,404,011.60
  4. Step 4: Simplify right side
    510,897,797.20x = 112,962,577,237,324,864
  5. Step 5: Solve for x
    x = 112,962,577,237,324,864/510,897,797.20
  6. Step 6: Final answer
    x = 221,106,017.40

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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.