Home / 870,822,736.72-1,306,309,348.24-240,554,574.12

Finding the Fourth Proportional to 870,822,736.72, 1,306,309,348.24 and 240,554,574.12

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Solution

The fourth proportional to 870,822,736.72, 1,306,309,348.24 and 240,554,574.12 is: 360,852,646.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,822,736.72 : 1,306,309,348.24 = 240,554,574.12 : x
  2. Step 2: Convert to fraction form
    870,822,736.72/1,306,309,348.24 = 240,554,574.12/x
  3. Step 3: Cross multiply
    870,822,736.72x = 1,306,309,348.24 × 240,554,574.12
  4. Step 4: Simplify right side
    870,822,736.72x = 314,238,688,934,848,000
  5. Step 5: Solve for x
    x = 314,238,688,934,848,000/870,822,736.72
  6. Step 6: Final answer
    x = 360,852,646.22

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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.