Home / 1,177,338,278.63-1,624,216,308.76-700,761,420.61

Finding the Fourth Proportional to 1,177,338,278.63, 1,624,216,308.76 and 700,761,420.61

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Solution

The fourth proportional to 1,177,338,278.63, 1,624,216,308.76 and 700,761,420.61 is: 966,746,897.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,338,278.63 : 1,624,216,308.76 = 700,761,420.61 : x
  2. Step 2: Convert to fraction form
    1,177,338,278.63/1,624,216,308.76 = 700,761,420.61/x
  3. Step 3: Cross multiply
    1,177,338,278.63x = 1,624,216,308.76 × 700,761,420.61
  4. Step 4: Simplify right side
    1,177,338,278.63x = 1,138,188,127,901,438,464
  5. Step 5: Solve for x
    x = 1,138,188,127,901,438,464/1,177,338,278.63
  6. Step 6: Final answer
    x = 966,746,897.27

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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.