Home / 829,799,821.14-1,145,189,031.06-472,582,702.98

Finding the Fourth Proportional to 829,799,821.14, 1,145,189,031.06 and 472,582,702.98

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Solution

The fourth proportional to 829,799,821.14, 1,145,189,031.06 and 472,582,702.98 is: 652,201,306.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,799,821.14 : 1,145,189,031.06 = 472,582,702.98 : x
  2. Step 2: Convert to fraction form
    829,799,821.14/1,145,189,031.06 = 472,582,702.98/x
  3. Step 3: Cross multiply
    829,799,821.14x = 1,145,189,031.06 × 472,582,702.98
  4. Step 4: Simplify right side
    829,799,821.14x = 541,196,527,721,381,952
  5. Step 5: Solve for x
    x = 541,196,527,721,381,952/829,799,821.14
  6. Step 6: Final answer
    x = 652,201,306.79

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Double scale
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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.