Home / 657,863,509.77-986,919,700.50-264,420,963.18

Finding the Fourth Proportional to 657,863,509.77, 986,919,700.50 and 264,420,963.18

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Solution

The fourth proportional to 657,863,509.77, 986,919,700.50 and 264,420,963.18 is: 396,681,460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,863,509.77 : 986,919,700.50 = 264,420,963.18 : x
  2. Step 2: Convert to fraction form
    657,863,509.77/986,919,700.50 = 264,420,963.18/x
  3. Step 3: Cross multiply
    657,863,509.77x = 986,919,700.50 × 264,420,963.18
  4. Step 4: Simplify right side
    657,863,509.77x = 260,962,257,787,527,136
  5. Step 5: Solve for x
    x = 260,962,257,787,527,136/657,863,509.77
  6. Step 6: Final answer
    x = 396,681,460.38

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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.