Home / 630,132,901.84-945,347,817.28-215,614,236.16

Finding the Fourth Proportional to 630,132,901.84, 945,347,817.28 and 215,614,236.16

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Solution

The fourth proportional to 630,132,901.84, 945,347,817.28 and 215,614,236.16 is: 323,472,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,132,901.84 : 945,347,817.28 = 215,614,236.16 : x
  2. Step 2: Convert to fraction form
    630,132,901.84/945,347,817.28 = 215,614,236.16/x
  3. Step 3: Cross multiply
    630,132,901.84x = 945,347,817.28 × 215,614,236.16
  4. Step 4: Simplify right side
    630,132,901.84x = 203,830,447,528,350,432
  5. Step 5: Solve for x
    x = 203,830,447,528,350,432/630,132,901.84
  6. Step 6: Final answer
    x = 323,472,154.74

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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.