Home / 761,007,309.40-1,050,125,945.34-421,924,832.92

Finding the Fourth Proportional to 761,007,309.40, 1,050,125,945.34 and 421,924,832.92

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Solution

The fourth proportional to 761,007,309.40, 1,050,125,945.34 and 421,924,832.92 is: 582,220,707.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,007,309.40 : 1,050,125,945.34 = 421,924,832.92 : x
  2. Step 2: Convert to fraction form
    761,007,309.40/1,050,125,945.34 = 421,924,832.92/x
  3. Step 3: Cross multiply
    761,007,309.40x = 1,050,125,945.34 × 421,924,832.92
  4. Step 4: Simplify right side
    761,007,309.40x = 443,074,214,032,536,576
  5. Step 5: Solve for x
    x = 443,074,214,032,536,576/761,007,309.40
  6. Step 6: Final answer
    x = 582,220,707.42

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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.