Home / 971,047,510.07-1,456,328,781.47-380,958,015.38

Finding the Fourth Proportional to 971,047,510.07, 1,456,328,781.47 and 380,958,015.38

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Solution

The fourth proportional to 971,047,510.07, 1,456,328,781.47 and 380,958,015.38 is: 571,341,892.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,047,510.07 : 1,456,328,781.47 = 380,958,015.38 : x
  2. Step 2: Convert to fraction form
    971,047,510.07/1,456,328,781.47 = 380,958,015.38/x
  3. Step 3: Cross multiply
    971,047,510.07x = 1,456,328,781.47 × 380,958,015.38
  4. Step 4: Simplify right side
    971,047,510.07x = 554,800,122,323,255,680
  5. Step 5: Solve for x
    x = 554,800,122,323,255,680/971,047,510.07
  6. Step 6: Final answer
    x = 571,341,892.72

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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.