Home / 540,499,363.60-810,749,045.40-310,916,851.60

Finding the Fourth Proportional to 540,499,363.60, 810,749,045.40 and 310,916,851.60

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Solution

The fourth proportional to 540,499,363.60, 810,749,045.40 and 310,916,851.60 is: 466,375,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,499,363.60 : 810,749,045.40 = 310,916,851.60 : x
  2. Step 2: Convert to fraction form
    540,499,363.60/810,749,045.40 = 310,916,851.60/x
  3. Step 3: Cross multiply
    540,499,363.60x = 810,749,045.40 × 310,916,851.60
  4. Step 4: Simplify right side
    540,499,363.60x = 252,075,540,633,473,472
  5. Step 5: Solve for x
    x = 252,075,540,633,473,472/540,499,363.60
  6. Step 6: Final answer
    x = 466,375,277.40

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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.