Home / 977,088,082.10-1,465,632,123.15-686,283,566.90

Finding the Fourth Proportional to 977,088,082.10, 1,465,632,123.15 and 686,283,566.90

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Solution

The fourth proportional to 977,088,082.10, 1,465,632,123.15 and 686,283,566.90 is: 1,029,425,350.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,088,082.10 : 1,465,632,123.15 = 686,283,566.90 : x
  2. Step 2: Convert to fraction form
    977,088,082.10/1,465,632,123.15 = 686,283,566.90/x
  3. Step 3: Cross multiply
    977,088,082.10x = 1,465,632,123.15 × 686,283,566.90
  4. Step 4: Simplify right side
    977,088,082.10x = 1,005,839,241,238,602,112
  5. Step 5: Solve for x
    x = 1,005,839,241,238,602,112/977,088,082.10
  6. Step 6: Final answer
    x = 1,029,425,350.35

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Double scale
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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.