Home / 874,059,462.50-1,311,089,184.02-485,696,551.46

Finding the Fourth Proportional to 874,059,462.50, 1,311,089,184.02 and 485,696,551.46

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Solution

The fourth proportional to 874,059,462.50, 1,311,089,184.02 and 485,696,551.46 is: 728,544,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,059,462.50 : 1,311,089,184.02 = 485,696,551.46 : x
  2. Step 2: Convert to fraction form
    874,059,462.50/1,311,089,184.02 = 485,696,551.46/x
  3. Step 3: Cross multiply
    874,059,462.50x = 1,311,089,184.02 × 485,696,551.46
  4. Step 4: Simplify right side
    874,059,462.50x = 636,791,495,329,678,080
  5. Step 5: Solve for x
    x = 636,791,495,329,678,080/874,059,462.50
  6. Step 6: Final answer
    x = 728,544,821.78

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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.