Home / 651,392,054.90-977,088,082.35-457,522,378.10

Finding the Fourth Proportional to 651,392,054.90, 977,088,082.35 and 457,522,378.10

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Solution

The fourth proportional to 651,392,054.90, 977,088,082.35 and 457,522,378.10 is: 686,283,567.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,392,054.90 : 977,088,082.35 = 457,522,378.10 : x
  2. Step 2: Convert to fraction form
    651,392,054.90/977,088,082.35 = 457,522,378.10/x
  3. Step 3: Cross multiply
    651,392,054.90x = 977,088,082.35 × 457,522,378.10
  4. Step 4: Simplify right side
    651,392,054.90x = 447,039,663,049,940,672
  5. Step 5: Solve for x
    x = 447,039,663,049,940,672/651,392,054.90
  6. Step 6: Final answer
    x = 686,283,567.15

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Double scale
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Similar ratio
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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.