Home / 3,509,736,128.65-5,264,551,049.28-853,817,215.87

Finding the Fourth Proportional to 3,509,736,128.65, 5,264,551,049.28 and 853,817,215.87

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Solution

The fourth proportional to 3,509,736,128.65, 5,264,551,049.28 and 853,817,215.87 is: 1,280,712,895.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509,736,128.65 : 5,264,551,049.28 = 853,817,215.87 : x
  2. Step 2: Convert to fraction form
    3,509,736,128.65/5,264,551,049.28 = 853,817,215.87/x
  3. Step 3: Cross multiply
    3,509,736,128.65x = 5,264,551,049.28 × 853,817,215.87
  4. Step 4: Simplify right side
    3,509,736,128.65x = 4,494,964,319,701,736,448
  5. Step 5: Solve for x
    x = 4,494,964,319,701,736,448/3,509,736,128.65
  6. Step 6: Final answer
    x = 1,280,712,895.48

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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.