Home / 42,896,786,275.44-64,359,660,017.72-18,989,993,270

Finding the Fourth Proportional to 42,896,786,275.44, 64,359,660,017.72 and 18,989,993,270

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Solution

The fourth proportional to 42,896,786,275.44, 64,359,660,017.72 and 18,989,993,270 is: 28,491,400,328.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,896,786,275.44 : 64,359,660,017.72 = 18,989,993,270 : x
  2. Step 2: Convert to fraction form
    42,896,786,275.44/64,359,660,017.72 = 18,989,993,270/x
  3. Step 3: Cross multiply
    42,896,786,275.44x = 64,359,660,017.72 × 18,989,993,270
  4. Step 4: Simplify right side
    42,896,786,275.44x = 1,222,189,510,595,990,781,952
  5. Step 5: Solve for x
    x = 1,222,189,510,595,990,781,952/42,896,786,275.44
  6. Step 6: Final answer
    x = 28,491,400,328.88

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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.