Home / 1,293,326,123.61-1,784,790,832.50-698,610,870.69

Finding the Fourth Proportional to 1,293,326,123.61, 1,784,790,832.50 and 698,610,870.69

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Solution

The fourth proportional to 1,293,326,123.61, 1,784,790,832.50 and 698,610,870.69 is: 964,083,423.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,326,123.61 : 1,784,790,832.50 = 698,610,870.69 : x
  2. Step 2: Convert to fraction form
    1,293,326,123.61/1,784,790,832.50 = 698,610,870.69/x
  3. Step 3: Cross multiply
    1,293,326,123.61x = 1,784,790,832.50 × 698,610,870.69
  4. Step 4: Simplify right side
    1,293,326,123.61x = 1,246,874,277,485,661,952
  5. Step 5: Solve for x
    x = 1,246,874,277,485,661,952/1,293,326,123.61
  6. Step 6: Final answer
    x = 964,083,423.91

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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.