Home / 264,385,611.40-396,578,417.10-213,367,275.40

Finding the Fourth Proportional to 264,385,611.40, 396,578,417.10 and 213,367,275.40

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Solution

The fourth proportional to 264,385,611.40, 396,578,417.10 and 213,367,275.40 is: 320,050,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,385,611.40 : 396,578,417.10 = 213,367,275.40 : x
  2. Step 2: Convert to fraction form
    264,385,611.40/396,578,417.10 = 213,367,275.40/x
  3. Step 3: Cross multiply
    264,385,611.40x = 396,578,417.10 × 213,367,275.40
  4. Step 4: Simplify right side
    264,385,611.40x = 84,616,856,339,071,776
  5. Step 5: Solve for x
    x = 84,616,856,339,071,776/264,385,611.40
  6. Step 6: Final answer
    x = 320,050,913.10

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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.