Home / 984,516,387.68-1,358,621,607.39-538,492,565.54

Finding the Fourth Proportional to 984,516,387.68, 1,358,621,607.39 and 538,492,565.54

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Solution

The fourth proportional to 984,516,387.68, 1,358,621,607.39 and 538,492,565.54 is: 743,113,719.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,516,387.68 : 1,358,621,607.39 = 538,492,565.54 : x
  2. Step 2: Convert to fraction form
    984,516,387.68/1,358,621,607.39 = 538,492,565.54/x
  3. Step 3: Cross multiply
    984,516,387.68x = 1,358,621,607.39 × 538,492,565.54
  4. Step 4: Simplify right side
    984,516,387.68x = 731,607,634,961,519,744
  5. Step 5: Solve for x
    x = 731,607,634,961,519,744/984,516,387.68
  6. Step 6: Final answer
    x = 743,113,719.71

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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.