Home / 952,103,985.76-1,313,859,273.78-528,744,525.76

Finding the Fourth Proportional to 952,103,985.76, 1,313,859,273.78 and 528,744,525.76

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Solution

The fourth proportional to 952,103,985.76, 1,313,859,273.78 and 528,744,525.76 is: 729,642,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,103,985.76 : 1,313,859,273.78 = 528,744,525.76 : x
  2. Step 2: Convert to fraction form
    952,103,985.76/1,313,859,273.78 = 528,744,525.76/x
  3. Step 3: Cross multiply
    952,103,985.76x = 1,313,859,273.78 × 528,744,525.76
  4. Step 4: Simplify right side
    952,103,985.76x = 694,695,898,630,184,064
  5. Step 5: Solve for x
    x = 694,695,898,630,184,064/952,103,985.76
  6. Step 6: Final answer
    x = 729,642,884.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.