Home / 5,264,604,129.56-7,896,826,478.90-1,280,725,760.48

Finding the Fourth Proportional to 5,264,604,129.56, 7,896,826,478.90 and 1,280,725,760.48

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Solution

The fourth proportional to 5,264,604,129.56, 7,896,826,478.90 and 1,280,725,760.48 is: 1,921,069,248.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,264,604,129.56 : 7,896,826,478.90 = 1,280,725,760.48 : x
  2. Step 2: Convert to fraction form
    5,264,604,129.56/7,896,826,478.90 = 1,280,725,760.48/x
  3. Step 3: Cross multiply
    5,264,604,129.56x = 7,896,826,478.90 × 1,280,725,760.48
  4. Step 4: Simplify right side
    5,264,604,129.56x = 10,113,669,097,531,521,024
  5. Step 5: Solve for x
    x = 10,113,669,097,531,521,024/5,264,604,129.56
  6. Step 6: Final answer
    x = 1,921,069,248.26

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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.