Home / 18,198,756,099.40-27,298,134,149.10-5,112,552,915.40

Finding the Fourth Proportional to 18,198,756,099.40, 27,298,134,149.10 and 5,112,552,915.40

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Solution

The fourth proportional to 18,198,756,099.40, 27,298,134,149.10 and 5,112,552,915.40 is: 7,668,829,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198,756,099.40 : 27,298,134,149.10 = 5,112,552,915.40 : x
  2. Step 2: Convert to fraction form
    18,198,756,099.40/27,298,134,149.10 = 5,112,552,915.40/x
  3. Step 3: Cross multiply
    18,198,756,099.40x = 27,298,134,149.10 × 5,112,552,915.40
  4. Step 4: Simplify right side
    18,198,756,099.40x = 139,563,155,328,961,478,656
  5. Step 5: Solve for x
    x = 139,563,155,328,961,478,656/18,198,756,099.40
  6. Step 6: Final answer
    x = 7,668,829,373.10

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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.