Home / 453,776,870.72-680,522,527.84-146,997,807.68

Finding the Fourth Proportional to 453,776,870.72, 680,522,527.84 and 146,997,807.68

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Solution

The fourth proportional to 453,776,870.72, 680,522,527.84 and 146,997,807.68 is: 220,450,459.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,776,870.72 : 680,522,527.84 = 146,997,807.68 : x
  2. Step 2: Convert to fraction form
    453,776,870.72/680,522,527.84 = 146,997,807.68/x
  3. Step 3: Cross multiply
    453,776,870.72x = 680,522,527.84 × 146,997,807.68
  4. Step 4: Simplify right side
    453,776,870.72x = 100,035,319,669,331,776
  5. Step 5: Solve for x
    x = 100,035,319,669,331,776/453,776,870.72
  6. Step 6: Final answer
    x = 220,450,459.52

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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.