Home / 1,306,680,595.66-1,803,196,418.74-711,970,002.78

Finding the Fourth Proportional to 1,306,680,595.66, 1,803,196,418.74 and 711,970,002.78

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Solution

The fourth proportional to 1,306,680,595.66, 1,803,196,418.74 and 711,970,002.78 is: 982,506,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,680,595.66 : 1,803,196,418.74 = 711,970,002.78 : x
  2. Step 2: Convert to fraction form
    1,306,680,595.66/1,803,196,418.74 = 711,970,002.78/x
  3. Step 3: Cross multiply
    1,306,680,595.66x = 1,803,196,418.74 × 711,970,002.78
  4. Step 4: Simplify right side
    1,306,680,595.66x = 1,283,821,759,263,203,840
  5. Step 5: Solve for x
    x = 1,283,821,759,263,203,840/1,306,680,595.66
  6. Step 6: Final answer
    x = 982,506,179.04

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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.