Home / 68,830,047,750.30-103,245,071,625.45-40,866,897,788.70

Finding the Fourth Proportional to 68,830,047,750.30, 103,245,071,625.45 and 40,866,897,788.70

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Solution

The fourth proportional to 68,830,047,750.30, 103,245,071,625.45 and 40,866,897,788.70 is: 61,300,346,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,830,047,750.30 : 103,245,071,625.45 = 40,866,897,788.70 : x
  2. Step 2: Convert to fraction form
    68,830,047,750.30/103,245,071,625.45 = 40,866,897,788.70/x
  3. Step 3: Cross multiply
    68,830,047,750.30x = 103,245,071,625.45 × 40,866,897,788.70
  4. Step 4: Simplify right side
    68,830,047,750.30x = 4,219,305,789,304,275,468,288
  5. Step 5: Solve for x
    x = 4,219,305,789,304,275,468,288/68,830,047,750.30
  6. Step 6: Final answer
    x = 61,300,346,683.05

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1.5x scale

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.