Home / 527,065,009.04-727,349,782.20-292,130,820.56

Finding the Fourth Proportional to 527,065,009.04, 727,349,782.20 and 292,130,820.56

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Solution

The fourth proportional to 527,065,009.04, 727,349,782.20 and 292,130,820.56 is: 403,140,571.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,065,009.04 : 727,349,782.20 = 292,130,820.56 : x
  2. Step 2: Convert to fraction form
    527,065,009.04/727,349,782.20 = 292,130,820.56/x
  3. Step 3: Cross multiply
    527,065,009.04x = 727,349,782.20 × 292,130,820.56
  4. Step 4: Simplify right side
    527,065,009.04x = 212,481,288,708,223,296
  5. Step 5: Solve for x
    x = 212,481,288,708,223,296/527,065,009.04
  6. Step 6: Final answer
    x = 403,140,571.02

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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.