Home / 3,121,125,493.89-4,678,411,006.76-1,050,128,260.41

Finding the Fourth Proportional to 3,121,125,493.89, 4,678,411,006.76 and 1,050,128,260.41

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Solution

The fourth proportional to 3,121,125,493.89, 4,678,411,006.76 and 1,050,128,260.41 is: 1,574,089,738.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,125,493.89 : 4,678,411,006.76 = 1,050,128,260.41 : x
  2. Step 2: Convert to fraction form
    3,121,125,493.89/4,678,411,006.76 = 1,050,128,260.41/x
  3. Step 3: Cross multiply
    3,121,125,493.89x = 4,678,411,006.76 × 1,050,128,260.41
  4. Step 4: Simplify right side
    3,121,125,493.89x = 4,912,931,612,006,625,280
  5. Step 5: Solve for x
    x = 4,912,931,612,006,625,280/3,121,125,493.89
  6. Step 6: Final answer
    x = 1,574,089,738.34

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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.