Home / 15,784,979,133.48-21,780,502,603.92-9,007,703,379.24

Finding the Fourth Proportional to 15,784,979,133.48, 21,780,502,603.92 and 9,007,703,379.24

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Solution

The fourth proportional to 15,784,979,133.48, 21,780,502,603.92 and 9,007,703,379.24 is: 12,429,050,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784,979,133.48 : 21,780,502,603.92 = 9,007,703,379.24 : x
  2. Step 2: Convert to fraction form
    15,784,979,133.48/21,780,502,603.92 = 9,007,703,379.24/x
  3. Step 3: Cross multiply
    15,784,979,133.48x = 21,780,502,603.92 × 9,007,703,379.24
  4. Step 4: Simplify right side
    15,784,979,133.48x = 196,192,306,906,875,789,312
  5. Step 5: Solve for x
    x = 196,192,306,906,875,789,312/15,784,979,133.48
  6. Step 6: Final answer
    x = 12,429,050,760.72

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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.