Home / 784,945,706.52-1,083,176,267.72-432,501,974.13

Finding the Fourth Proportional to 784,945,706.52, 1,083,176,267.72 and 432,501,974.13

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Solution

The fourth proportional to 784,945,706.52, 1,083,176,267.72 and 432,501,974.13 is: 596,825,831.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,945,706.52 : 1,083,176,267.72 = 432,501,974.13 : x
  2. Step 2: Convert to fraction form
    784,945,706.52/1,083,176,267.72 = 432,501,974.13/x
  3. Step 3: Cross multiply
    784,945,706.52x = 1,083,176,267.72 × 432,501,974.13
  4. Step 4: Simplify right side
    784,945,706.52x = 468,475,874,118,584,128
  5. Step 5: Solve for x
    x = 468,475,874,118,584,128/784,945,706.52
  6. Step 6: Final answer
    x = 596,825,831.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.