Home / 537,778,721.20-806,668,081.80-265,680,929.20

Finding the Fourth Proportional to 537,778,721.20, 806,668,081.80 and 265,680,929.20

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Solution

The fourth proportional to 537,778,721.20, 806,668,081.80 and 265,680,929.20 is: 398,521,393.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,778,721.20 : 806,668,081.80 = 265,680,929.20 : x
  2. Step 2: Convert to fraction form
    537,778,721.20/806,668,081.80 = 265,680,929.20/x
  3. Step 3: Cross multiply
    537,778,721.20x = 806,668,081.80 × 265,680,929.20
  4. Step 4: Simplify right side
    537,778,721.20x = 214,316,325,528,605,600
  5. Step 5: Solve for x
    x = 214,316,325,528,605,600/537,778,721.20
  6. Step 6: Final answer
    x = 398,521,393.80

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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.