Home / 3,121,125,493.27-4,678,411,005.82-1,050,128,259.79

Finding the Fourth Proportional to 3,121,125,493.27, 4,678,411,005.82 and 1,050,128,259.79

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Solution

The fourth proportional to 3,121,125,493.27, 4,678,411,005.82 and 1,050,128,259.79 is: 1,574,089,737.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,125,493.27 : 4,678,411,005.82 = 1,050,128,259.79 : x
  2. Step 2: Convert to fraction form
    3,121,125,493.27/4,678,411,005.82 = 1,050,128,259.79/x
  3. Step 3: Cross multiply
    3,121,125,493.27x = 4,678,411,005.82 × 1,050,128,259.79
  4. Step 4: Simplify right side
    3,121,125,493.27x = 4,912,931,608,124,139,520
  5. Step 5: Solve for x
    x = 4,912,931,608,124,139,520/3,121,125,493.27
  6. Step 6: Final answer
    x = 1,574,089,737.41

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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.