Home / 15,678,036,011.60-23,517,054,017.40-5,338,319,915.60

Finding the Fourth Proportional to 15,678,036,011.60, 23,517,054,017.40 and 5,338,319,915.60

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Solution

The fourth proportional to 15,678,036,011.60, 23,517,054,017.40 and 5,338,319,915.60 is: 8,007,479,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678,036,011.60 : 23,517,054,017.40 = 5,338,319,915.60 : x
  2. Step 2: Convert to fraction form
    15,678,036,011.60/23,517,054,017.40 = 5,338,319,915.60/x
  3. Step 3: Cross multiply
    15,678,036,011.60x = 23,517,054,017.40 × 5,338,319,915.60
  4. Step 4: Simplify right side
    15,678,036,011.60x = 125,541,557,817,327,419,392
  5. Step 5: Solve for x
    x = 125,541,557,817,327,419,392/15,678,036,011.60
  6. Step 6: Final answer
    x = 8,007,479,873.40

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Double scale
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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.