Home / 466,185,323.52-643,371,356.16-257,381,683.20

Finding the Fourth Proportional to 466,185,323.52, 643,371,356.16 and 257,381,683.20

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Solution

The fourth proportional to 466,185,323.52, 643,371,356.16 and 257,381,683.20 is: 355,206,382.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,185,323.52 : 643,371,356.16 = 257,381,683.20 : x
  2. Step 2: Convert to fraction form
    466,185,323.52/643,371,356.16 = 257,381,683.20/x
  3. Step 3: Cross multiply
    466,185,323.52x = 643,371,356.16 × 257,381,683.20
  4. Step 4: Simplify right side
    466,185,323.52x = 165,592,002,571,127,488
  5. Step 5: Solve for x
    x = 165,592,002,571,127,488/466,185,323.52
  6. Step 6: Final answer
    x = 355,206,382.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.