Home / 1,861,069,613.40-2,791,604,420.10-1,657,673,856.68

Finding the Fourth Proportional to 1,861,069,613.40, 2,791,604,420.10 and 1,657,673,856.68

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Solution

The fourth proportional to 1,861,069,613.40, 2,791,604,420.10 and 1,657,673,856.68 is: 2,486,510,785.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,069,613.40 : 2,791,604,420.10 = 1,657,673,856.68 : x
  2. Step 2: Convert to fraction form
    1,861,069,613.40/2,791,604,420.10 = 1,657,673,856.68/x
  3. Step 3: Cross multiply
    1,861,069,613.40x = 2,791,604,420.10 × 1,657,673,856.68
  4. Step 4: Simplify right side
    1,861,069,613.40x = 4,627,569,665,378,143,232
  5. Step 5: Solve for x
    x = 4,627,569,665,378,143,232/1,861,069,613.40
  6. Step 6: Final answer
    x = 2,486,510,785.01

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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.