Home / 355,104,000.20-532,656,000.30-257,602,291.40

Finding the Fourth Proportional to 355,104,000.20, 532,656,000.30 and 257,602,291.40

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Solution

The fourth proportional to 355,104,000.20, 532,656,000.30 and 257,602,291.40 is: 386,403,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,104,000.20 : 532,656,000.30 = 257,602,291.40 : x
  2. Step 2: Convert to fraction form
    355,104,000.20/532,656,000.30 = 257,602,291.40/x
  3. Step 3: Cross multiply
    355,104,000.20x = 532,656,000.30 × 257,602,291.40
  4. Step 4: Simplify right side
    355,104,000.20x = 137,213,406,205,239,088
  5. Step 5: Solve for x
    x = 137,213,406,205,239,088/355,104,000.20
  6. Step 6: Final answer
    x = 386,403,437.10

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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.