Home / 52,190,995,330.85-78,254,453,995.75-20,282,411,026.79

Finding the Fourth Proportional to 52,190,995,330.85, 78,254,453,995.75 and 20,282,411,026.79

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Solution

The fourth proportional to 52,190,995,330.85, 78,254,453,995.75 and 20,282,411,026.79 is: 30,411,165,576.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,190,995,330.85 : 78,254,453,995.75 = 20,282,411,026.79 : x
  2. Step 2: Convert to fraction form
    52,190,995,330.85/78,254,453,995.75 = 20,282,411,026.79/x
  3. Step 3: Cross multiply
    52,190,995,330.85x = 78,254,453,995.75 × 20,282,411,026.79
  4. Step 4: Simplify right side
    52,190,995,330.85x = 1,587,189,000,618,830,725,120
  5. Step 5: Solve for x
    x = 1,587,189,000,618,830,725,120/52,190,995,330.85
  6. Step 6: Final answer
    x = 30,411,165,576.69

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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.