Home / 485,668,868.61-670,225,057.99-262,650,550.24

Finding the Fourth Proportional to 485,668,868.61, 670,225,057.99 and 262,650,550.24

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Solution

The fourth proportional to 485,668,868.61, 670,225,057.99 and 262,650,550.24 is: 362,458,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,668,868.61 : 670,225,057.99 = 262,650,550.24 : x
  2. Step 2: Convert to fraction form
    485,668,868.61/670,225,057.99 = 262,650,550.24/x
  3. Step 3: Cross multiply
    485,668,868.61x = 670,225,057.99 × 262,650,550.24
  4. Step 4: Simplify right side
    485,668,868.61x = 176,034,980,265,709,408
  5. Step 5: Solve for x
    x = 176,034,980,265,709,408/485,668,868.61
  6. Step 6: Final answer
    x = 362,458,851.38

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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.