Home / 756,508,401.60-1,134,762,602.40-265,775,782.20

Finding the Fourth Proportional to 756,508,401.60, 1,134,762,602.40 and 265,775,782.20

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Solution

The fourth proportional to 756,508,401.60, 1,134,762,602.40 and 265,775,782.20 is: 398,663,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,508,401.60 : 1,134,762,602.40 = 265,775,782.20 : x
  2. Step 2: Convert to fraction form
    756,508,401.60/1,134,762,602.40 = 265,775,782.20/x
  3. Step 3: Cross multiply
    756,508,401.60x = 1,134,762,602.40 × 265,775,782.20
  4. Step 4: Simplify right side
    756,508,401.60x = 301,592,418,264,167,616
  5. Step 5: Solve for x
    x = 301,592,418,264,167,616/756,508,401.60
  6. Step 6: Final answer
    x = 398,663,673.30

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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.