Home / 386,552,510.88-579,919,554.15-127,767,703.43

Finding the Fourth Proportional to 386,552,510.88, 579,919,554.15 and 127,767,703.43

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Solution

The fourth proportional to 386,552,510.88, 579,919,554.15 and 127,767,703.43 is: 191,681,563.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,552,510.88 : 579,919,554.15 = 127,767,703.43 : x
  2. Step 2: Convert to fraction form
    386,552,510.88/579,919,554.15 = 127,767,703.43/x
  3. Step 3: Cross multiply
    386,552,510.88x = 579,919,554.15 × 127,767,703.43
  4. Step 4: Simplify right side
    386,552,510.88x = 74,094,989,607,895,024
  5. Step 5: Solve for x
    x = 74,094,989,607,895,024/386,552,510.88
  6. Step 6: Final answer
    x = 191,681,563.36

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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.