Home / 10,272,061,948.93-15,403,236,438.37-3,979,439,129.05

Finding the Fourth Proportional to 10,272,061,948.93, 15,403,236,438.37 and 3,979,439,129.05

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Solution

The fourth proportional to 10,272,061,948.93, 15,403,236,438.37 and 3,979,439,129.05 is: 5,967,277,271.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272,061,948.93 : 15,403,236,438.37 = 3,979,439,129.05 : x
  2. Step 2: Convert to fraction form
    10,272,061,948.93/15,403,236,438.37 = 3,979,439,129.05/x
  3. Step 3: Cross multiply
    10,272,061,948.93x = 15,403,236,438.37 × 3,979,439,129.05
  4. Step 4: Simplify right side
    10,272,061,948.93x = 61,296,241,796,827,791,360
  5. Step 5: Solve for x
    x = 61,296,241,796,827,791,360/10,272,061,948.93
  6. Step 6: Final answer
    x = 5,967,277,271.26

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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.