Home / 264,385,613.40-396,578,420.10-213,367,277.40

Finding the Fourth Proportional to 264,385,613.40, 396,578,420.10 and 213,367,277.40

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Solution

The fourth proportional to 264,385,613.40, 396,578,420.10 and 213,367,277.40 is: 320,050,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,385,613.40 : 396,578,420.10 = 213,367,277.40 : x
  2. Step 2: Convert to fraction form
    264,385,613.40/396,578,420.10 = 213,367,277.40/x
  3. Step 3: Cross multiply
    264,385,613.40x = 396,578,420.10 × 213,367,277.40
  4. Step 4: Simplify right side
    264,385,613.40x = 84,616,857,772,330,448
  5. Step 5: Solve for x
    x = 84,616,857,772,330,448/264,385,613.40
  6. Step 6: Final answer
    x = 320,050,916.10

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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.