Home / 369,799,992-510,340,030.61-204,787,561.50

Finding the Fourth Proportional to 369,799,992, 510,340,030.61 and 204,787,561.50

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Solution

The fourth proportional to 369,799,992, 510,340,030.61 and 204,787,561.50 is: 282,615,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,799,992 : 510,340,030.61 = 204,787,561.50 : x
  2. Step 2: Convert to fraction form
    369,799,992/510,340,030.61 = 204,787,561.50/x
  3. Step 3: Cross multiply
    369,799,992x = 510,340,030.61 × 204,787,561.50
  4. Step 4: Simplify right side
    369,799,992x = 104,511,290,403,433,328
  5. Step 5: Solve for x
    x = 104,511,290,403,433,328/369,799,992
  6. Step 6: Final answer
    x = 282,615,718.40

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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.