Home / 56,437,528,976.49-77,885,443,854.62-30,718,474,713.70

Finding the Fourth Proportional to 56,437,528,976.49, 77,885,443,854.62 and 30,718,474,713.70

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Solution

The fourth proportional to 56,437,528,976.49, 77,885,443,854.62 and 30,718,474,713.70 is: 42,392,395,290.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,437,528,976.49 : 77,885,443,854.62 = 30,718,474,713.70 : x
  2. Step 2: Convert to fraction form
    56,437,528,976.49/77,885,443,854.62 = 30,718,474,713.70/x
  3. Step 3: Cross multiply
    56,437,528,976.49x = 77,885,443,854.62 × 30,718,474,713.70
  4. Step 4: Simplify right side
    56,437,528,976.49x = 2,392,522,037,613,136,707,584
  5. Step 5: Solve for x
    x = 2,392,522,037,613,136,707,584/56,437,528,976.49
  6. Step 6: Final answer
    x = 42,392,395,290.90

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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.