Home / 535,257,425.16-738,643,625.64-309,196,595.52

Finding the Fourth Proportional to 535,257,425.16, 738,643,625.64 and 309,196,595.52

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Solution

The fourth proportional to 535,257,425.16, 738,643,625.64 and 309,196,595.52 is: 426,684,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,257,425.16 : 738,643,625.64 = 309,196,595.52 : x
  2. Step 2: Convert to fraction form
    535,257,425.16/738,643,625.64 = 309,196,595.52/x
  3. Step 3: Cross multiply
    535,257,425.16x = 738,643,625.64 × 309,196,595.52
  4. Step 4: Simplify right side
    535,257,425.16x = 228,386,094,350,437,376
  5. Step 5: Solve for x
    x = 228,386,094,350,437,376/535,257,425.16
  6. Step 6: Final answer
    x = 426,684,588.79

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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.