Home / 896,985,425.65-1,345,478,138.48-655,120,721.65

Finding the Fourth Proportional to 896,985,425.65, 1,345,478,138.48 and 655,120,721.65

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Solution

The fourth proportional to 896,985,425.65, 1,345,478,138.48 and 655,120,721.65 is: 982,681,082.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,985,425.65 : 1,345,478,138.48 = 655,120,721.65 : x
  2. Step 2: Convert to fraction form
    896,985,425.65/1,345,478,138.48 = 655,120,721.65/x
  3. Step 3: Cross multiply
    896,985,425.65x = 1,345,478,138.48 × 655,120,721.65
  4. Step 4: Simplify right side
    896,985,425.65x = 881,450,609,042,040,576
  5. Step 5: Solve for x
    x = 881,450,609,042,040,576/896,985,425.65
  6. Step 6: Final answer
    x = 982,681,082.48

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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.