Home / 657,124,605.95-985,818,439.68-242,603,946.56

Finding the Fourth Proportional to 657,124,605.95, 985,818,439.68 and 242,603,946.56

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Solution

The fourth proportional to 657,124,605.95, 985,818,439.68 and 242,603,946.56 is: 363,954,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,124,605.95 : 985,818,439.68 = 242,603,946.56 : x
  2. Step 2: Convert to fraction form
    657,124,605.95/985,818,439.68 = 242,603,946.56/x
  3. Step 3: Cross multiply
    657,124,605.95x = 985,818,439.68 × 242,603,946.56
  4. Step 4: Simplify right side
    657,124,605.95x = 239,163,444,057,989,280
  5. Step 5: Solve for x
    x = 239,163,444,057,989,280/657,124,605.95
  6. Step 6: Final answer
    x = 363,954,479.70

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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.