Home / 672,915,896.40-1,007,673,233.40-536,867,000.40

Finding the Fourth Proportional to 672,915,896.40, 1,007,673,233.40 and 536,867,000.40

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Solution

The fourth proportional to 672,915,896.40, 1,007,673,233.40 and 536,867,000.40 is: 803,943,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,915,896.40 : 1,007,673,233.40 = 536,867,000.40 : x
  2. Step 2: Convert to fraction form
    672,915,896.40/1,007,673,233.40 = 536,867,000.40/x
  3. Step 3: Cross multiply
    672,915,896.40x = 1,007,673,233.40 × 536,867,000.40
  4. Step 4: Simplify right side
    672,915,896.40x = 540,986,506,198,827,072
  5. Step 5: Solve for x
    x = 540,986,506,198,827,072/672,915,896.40
  6. Step 6: Final answer
    x = 803,943,715.84

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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.