Home / 10,258,390,680.40-15,387,586,020.60-6,993,217,176.40

Finding the Fourth Proportional to 10,258,390,680.40, 15,387,586,020.60 and 6,993,217,176.40

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Solution

The fourth proportional to 10,258,390,680.40, 15,387,586,020.60 and 6,993,217,176.40 is: 10,489,825,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258,390,680.40 : 15,387,586,020.60 = 6,993,217,176.40 : x
  2. Step 2: Convert to fraction form
    10,258,390,680.40/15,387,586,020.60 = 6,993,217,176.40/x
  3. Step 3: Cross multiply
    10,258,390,680.40x = 15,387,586,020.60 × 6,993,217,176.40
  4. Step 4: Simplify right side
    10,258,390,680.40x = 107,608,730,862,592,442,368
  5. Step 5: Solve for x
    x = 107,608,730,862,592,442,368/10,258,390,680.40
  6. Step 6: Final answer
    x = 10,489,825,764.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.