Home / 1,031,238,901.76-1,423,144,059.11-579,196,529.60

Finding the Fourth Proportional to 1,031,238,901.76, 1,423,144,059.11 and 579,196,529.60

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Solution

The fourth proportional to 1,031,238,901.76, 1,423,144,059.11 and 579,196,529.60 is: 799,310,517.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,238,901.76 : 1,423,144,059.11 = 579,196,529.60 : x
  2. Step 2: Convert to fraction form
    1,031,238,901.76/1,423,144,059.11 = 579,196,529.60/x
  3. Step 3: Cross multiply
    1,031,238,901.76x = 1,423,144,059.11 × 579,196,529.60
  4. Step 4: Simplify right side
    1,031,238,901.76x = 824,280,100,154,444,160
  5. Step 5: Solve for x
    x = 824,280,100,154,444,160/1,031,238,901.76
  6. Step 6: Final answer
    x = 799,310,517.43

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Double scale
Find fourth proportional to 1,031,238,902.76, 1,423,144,060.49 and 579,196,530.60
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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.