Home / 1,107,078,005.80-1,527,799,532.52-612,072,600.76

Finding the Fourth Proportional to 1,107,078,005.80, 1,527,799,532.52 and 612,072,600.76

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Solution

The fourth proportional to 1,107,078,005.80, 1,527,799,532.52 and 612,072,600.76 is: 844,677,817.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,078,005.80 : 1,527,799,532.52 = 612,072,600.76 : x
  2. Step 2: Convert to fraction form
    1,107,078,005.80/1,527,799,532.52 = 612,072,600.76/x
  3. Step 3: Cross multiply
    1,107,078,005.80x = 1,527,799,532.52 × 612,072,600.76
  4. Step 4: Simplify right side
    1,107,078,005.80x = 935,124,233,309,428,608
  5. Step 5: Solve for x
    x = 935,124,233,309,428,608/1,107,078,005.80
  6. Step 6: Final answer
    x = 844,677,817.11

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Double scale
Find fourth proportional to 1,107,078,006.80, 1,527,799,533.90 and 612,072,601.76
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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.