Home / 1,018,584,347.10-1,527,723,017.70-652,676,286.30

Finding the Fourth Proportional to 1,018,584,347.10, 1,527,723,017.70 and 652,676,286.30

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Solution

The fourth proportional to 1,018,584,347.10, 1,527,723,017.70 and 652,676,286.30 is: 978,916,069.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,584,347.10 : 1,527,723,017.70 = 652,676,286.30 : x
  2. Step 2: Convert to fraction form
    1,018,584,347.10/1,527,723,017.70 = 652,676,286.30/x
  3. Step 3: Cross multiply
    1,018,584,347.10x = 1,527,723,017.70 × 652,676,286.30
  4. Step 4: Simplify right side
    1,018,584,347.10x = 997,108,585,687,465,088
  5. Step 5: Solve for x
    x = 997,108,585,687,465,088/1,018,584,347.10
  6. Step 6: Final answer
    x = 978,916,069.67

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Double scale
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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.