Home / 12,656,938,613.73-18,983,559,856.38-3,690,718,496.22

Finding the Fourth Proportional to 12,656,938,613.73, 18,983,559,856.38 and 3,690,718,496.22

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Solution

The fourth proportional to 12,656,938,613.73, 18,983,559,856.38 and 3,690,718,496.22 is: 5,535,538,855.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,656,938,613.73 : 18,983,559,856.38 = 3,690,718,496.22 : x
  2. Step 2: Convert to fraction form
    12,656,938,613.73/18,983,559,856.38 = 3,690,718,496.22/x
  3. Step 3: Cross multiply
    12,656,938,613.73x = 18,983,559,856.38 × 3,690,718,496.22
  4. Step 4: Simplify right side
    12,656,938,613.73x = 70,062,975,486,041,153,536
  5. Step 5: Solve for x
    x = 70,062,975,486,041,153,536/12,656,938,613.73
  6. Step 6: Final answer
    x = 5,535,538,855.35

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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.