Home / 549,707,813.20-824,561,719.80-331,604,426.80

Finding the Fourth Proportional to 549,707,813.20, 824,561,719.80 and 331,604,426.80

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Solution

The fourth proportional to 549,707,813.20, 824,561,719.80 and 331,604,426.80 is: 497,406,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,707,813.20 : 824,561,719.80 = 331,604,426.80 : x
  2. Step 2: Convert to fraction form
    549,707,813.20/824,561,719.80 = 331,604,426.80/x
  3. Step 3: Cross multiply
    549,707,813.20x = 824,561,719.80 × 331,604,426.80
  4. Step 4: Simplify right side
    549,707,813.20x = 273,428,316,455,501,216
  5. Step 5: Solve for x
    x = 273,428,316,455,501,216/549,707,813.20
  6. Step 6: Final answer
    x = 497,406,640.20

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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.