Home / 1,306,680,598.41-1,803,196,422.54-711,970,005.53

Finding the Fourth Proportional to 1,306,680,598.41, 1,803,196,422.54 and 711,970,005.53

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Solution

The fourth proportional to 1,306,680,598.41, 1,803,196,422.54 and 711,970,005.53 is: 982,506,182.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,680,598.41 : 1,803,196,422.54 = 711,970,005.53 : x
  2. Step 2: Convert to fraction form
    1,306,680,598.41/1,803,196,422.54 = 711,970,005.53/x
  3. Step 3: Cross multiply
    1,306,680,598.41x = 1,803,196,422.54 × 711,970,005.53
  4. Step 4: Simplify right side
    1,306,680,598.41x = 1,283,821,766,918,464,000
  5. Step 5: Solve for x
    x = 1,283,821,766,918,464,000/1,306,680,598.41
  6. Step 6: Final answer
    x = 982,506,182.83

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Double scale
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1.5x scale

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.