Home / 485,668,867.61-670,225,056.61-262,650,549.24

Finding the Fourth Proportional to 485,668,867.61, 670,225,056.61 and 262,650,549.24

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Solution

The fourth proportional to 485,668,867.61, 670,225,056.61 and 262,650,549.24 is: 362,458,849.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,668,867.61 : 670,225,056.61 = 262,650,549.24 : x
  2. Step 2: Convert to fraction form
    485,668,867.61/670,225,056.61 = 262,650,549.24/x
  3. Step 3: Cross multiply
    485,668,867.61x = 670,225,056.61 × 262,650,549.24
  4. Step 4: Simplify right side
    485,668,867.61x = 176,034,979,228,362,240
  5. Step 5: Solve for x
    x = 176,034,979,228,362,240/485,668,867.61
  6. Step 6: Final answer
    x = 362,458,849.99

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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.