Home / 15,678,036,009.10-23,517,054,013.65-5,338,319,913.10

Finding the Fourth Proportional to 15,678,036,009.10, 23,517,054,013.65 and 5,338,319,913.10

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Solution

The fourth proportional to 15,678,036,009.10, 23,517,054,013.65 and 5,338,319,913.10 is: 8,007,479,869.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678,036,009.10 : 23,517,054,013.65 = 5,338,319,913.10 : x
  2. Step 2: Convert to fraction form
    15,678,036,009.10/23,517,054,013.65 = 5,338,319,913.10/x
  3. Step 3: Cross multiply
    15,678,036,009.10x = 23,517,054,013.65 × 5,338,319,913.10
  4. Step 4: Simplify right side
    15,678,036,009.10x = 125,541,557,738,516,086,784
  5. Step 5: Solve for x
    x = 125,541,557,738,516,086,784/15,678,036,009.10
  6. Step 6: Final answer
    x = 8,007,479,869.65

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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.