Home / 874,194,654.86-1,206,457,393.48-497,867,154.74

Finding the Fourth Proportional to 874,194,654.86, 1,206,457,393.48 and 497,867,154.74

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Solution

The fourth proportional to 874,194,654.86, 1,206,457,393.48 and 497,867,154.74 is: 687,095,838.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,194,654.86 : 1,206,457,393.48 = 497,867,154.74 : x
  2. Step 2: Convert to fraction form
    874,194,654.86/1,206,457,393.48 = 497,867,154.74/x
  3. Step 3: Cross multiply
    874,194,654.86x = 1,206,457,393.48 × 497,867,154.74
  4. Step 4: Simplify right side
    874,194,654.86x = 600,655,509,799,647,232
  5. Step 5: Solve for x
    x = 600,655,509,799,647,232/874,194,654.86
  6. Step 6: Final answer
    x = 687,095,838.97

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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.