Home / 1,234,748,890.76-1,701,598,621.56-1,212,053,702.72

Finding the Fourth Proportional to 1,234,748,890.76, 1,701,598,621.56 and 1,212,053,702.72

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Solution

The fourth proportional to 1,234,748,890.76, 1,701,598,621.56 and 1,212,053,702.72 is: 1,670,322,545.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,748,890.76 : 1,701,598,621.56 = 1,212,053,702.72 : x
  2. Step 2: Convert to fraction form
    1,234,748,890.76/1,701,598,621.56 = 1,212,053,702.72/x
  3. Step 3: Cross multiply
    1,234,748,890.76x = 1,701,598,621.56 × 1,212,053,702.72
  4. Step 4: Simplify right side
    1,234,748,890.76x = 2,062,428,909,805,046,016
  5. Step 5: Solve for x
    x = 2,062,428,909,805,046,016/1,234,748,890.76
  6. Step 6: Final answer
    x = 1,670,322,545.13

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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.