Home / 1,778,877,092,012.60-2,454,678,853,581.60-997,641,935,474.78

Finding the Fourth Proportional to 1,778,877,092,012.60, 2,454,678,853,581.60 and 997,641,935,474.78

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Solution

The fourth proportional to 1,778,877,092,012.60, 2,454,678,853,581.60 and 997,641,935,474.78 is: 1,376,649,670,430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,877,092,012.60 : 2,454,678,853,581.60 = 997,641,935,474.78 : x
  2. Step 2: Convert to fraction form
    1,778,877,092,012.60/2,454,678,853,581.60 = 997,641,935,474.78/x
  3. Step 3: Cross multiply
    1,778,877,092,012.60x = 2,454,678,853,581.60 × 997,641,935,474.78
  4. Step 4: Simplify right side
    1,778,877,092,012.60x = 2,448,890,562,456,161,909,473,280
  5. Step 5: Solve for x
    x = 2,448,890,562,456,161,909,473,280/1,778,877,092,012.60
  6. Step 6: Final answer
    x = 1,376,649,670,430.87

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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.