Home / 453,492,023.80-680,238,035.70-147,004,094.20

Finding the Fourth Proportional to 453,492,023.80, 680,238,035.70 and 147,004,094.20

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Solution

The fourth proportional to 453,492,023.80, 680,238,035.70 and 147,004,094.20 is: 220,506,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,492,023.80 : 680,238,035.70 = 147,004,094.20 : x
  2. Step 2: Convert to fraction form
    453,492,023.80/680,238,035.70 = 147,004,094.20/x
  3. Step 3: Cross multiply
    453,492,023.80x = 680,238,035.70 × 147,004,094.20
  4. Step 4: Simplify right side
    453,492,023.80x = 99,997,776,278,465,760
  5. Step 5: Solve for x
    x = 99,997,776,278,465,760/453,492,023.80
  6. Step 6: Final answer
    x = 220,506,141.30

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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.