Home / 651,392,048.40-977,088,072.60-457,522,371.60

Finding the Fourth Proportional to 651,392,048.40, 977,088,072.60 and 457,522,371.60

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Solution

The fourth proportional to 651,392,048.40, 977,088,072.60 and 457,522,371.60 is: 686,283,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,392,048.40 : 977,088,072.60 = 457,522,371.60 : x
  2. Step 2: Convert to fraction form
    651,392,048.40/977,088,072.60 = 457,522,371.60/x
  3. Step 3: Cross multiply
    651,392,048.40x = 977,088,072.60 × 457,522,371.60
  4. Step 4: Simplify right side
    651,392,048.40x = 447,039,652,238,025,024
  5. Step 5: Solve for x
    x = 447,039,652,238,025,024/651,392,048.40
  6. Step 6: Final answer
    x = 686,283,557.40

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Similar ratio
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1.5x scale

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.