Home / 19,219,669,952.64-28,818,995,264.66-15,261,182,189.24

Finding the Fourth Proportional to 19,219,669,952.64, 28,818,995,264.66 and 15,261,182,189.24

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Solution

The fourth proportional to 19,219,669,952.64, 28,818,995,264.66 and 15,261,182,189.24 is: 22,883,428,192.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219,669,952.64 : 28,818,995,264.66 = 15,261,182,189.24 : x
  2. Step 2: Convert to fraction form
    19,219,669,952.64/28,818,995,264.66 = 15,261,182,189.24/x
  3. Step 3: Cross multiply
    19,219,669,952.64x = 28,818,995,264.66 × 15,261,182,189.24
  4. Step 4: Simplify right side
    19,219,669,952.64x = 439,811,937,244,600,664,064
  5. Step 5: Solve for x
    x = 439,811,937,244,600,664,064/19,219,669,952.64
  6. Step 6: Final answer
    x = 22,883,428,192.49

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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.