Home / 1,328,602,931.80-1,992,904,397.70-1,320,950,181.40

Finding the Fourth Proportional to 1,328,602,931.80, 1,992,904,397.70 and 1,320,950,181.40

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Solution

The fourth proportional to 1,328,602,931.80, 1,992,904,397.70 and 1,320,950,181.40 is: 1,981,425,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,602,931.80 : 1,992,904,397.70 = 1,320,950,181.40 : x
  2. Step 2: Convert to fraction form
    1,328,602,931.80/1,992,904,397.70 = 1,320,950,181.40/x
  3. Step 3: Cross multiply
    1,328,602,931.80x = 1,992,904,397.70 × 1,320,950,181.40
  4. Step 4: Simplify right side
    1,328,602,931.80x = 2,632,527,425,654,672,896
  5. Step 5: Solve for x
    x = 2,632,527,425,654,672,896/1,328,602,931.80
  6. Step 6: Final answer
    x = 1,981,425,272.10

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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.