Home / 660,550,584.15-990,825,876.23-272,173,501.35

Finding the Fourth Proportional to 660,550,584.15, 990,825,876.23 and 272,173,501.35

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Solution

The fourth proportional to 660,550,584.15, 990,825,876.23 and 272,173,501.35 is: 408,260,252.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,550,584.15 : 990,825,876.23 = 272,173,501.35 : x
  2. Step 2: Convert to fraction form
    660,550,584.15/990,825,876.23 = 272,173,501.35/x
  3. Step 3: Cross multiply
    660,550,584.15x = 990,825,876.23 × 272,173,501.35
  4. Step 4: Simplify right side
    660,550,584.15x = 269,676,547,960,340,000
  5. Step 5: Solve for x
    x = 269,676,547,960,340,000/660,550,584.15
  6. Step 6: Final answer
    x = 408,260,252.03

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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.