Home / 537,778,801.20-806,668,201.80-265,681,009.20

Finding the Fourth Proportional to 537,778,801.20, 806,668,201.80 and 265,681,009.20

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Solution

The fourth proportional to 537,778,801.20, 806,668,201.80 and 265,681,009.20 is: 398,521,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,778,801.20 : 806,668,201.80 = 265,681,009.20 : x
  2. Step 2: Convert to fraction form
    537,778,801.20/806,668,201.80 = 265,681,009.20/x
  3. Step 3: Cross multiply
    537,778,801.20x = 806,668,201.80 × 265,681,009.20
  4. Step 4: Simplify right side
    537,778,801.20x = 214,316,421,943,773,248
  5. Step 5: Solve for x
    x = 214,316,421,943,773,248/537,778,801.20
  6. Step 6: Final answer
    x = 398,521,513.80

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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.