Home / 354,759,617.20-532,139,425.80-257,257,908.40

Finding the Fourth Proportional to 354,759,617.20, 532,139,425.80 and 257,257,908.40

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Solution

The fourth proportional to 354,759,617.20, 532,139,425.80 and 257,257,908.40 is: 385,886,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,759,617.20 : 532,139,425.80 = 257,257,908.40 : x
  2. Step 2: Convert to fraction form
    354,759,617.20/532,139,425.80 = 257,257,908.40/x
  3. Step 3: Cross multiply
    354,759,617.20x = 532,139,425.80 × 257,257,908.40
  4. Step 4: Simplify right side
    354,759,617.20x = 136,897,075,658,485,008
  5. Step 5: Solve for x
    x = 136,897,075,658,485,008/354,759,617.20
  6. Step 6: Final answer
    x = 385,886,862.60

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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.