Home / 837,487,594.80-1,256,278,631.40-255,240,835.20

Finding the Fourth Proportional to 837,487,594.80, 1,256,278,631.40 and 255,240,835.20

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Solution

The fourth proportional to 837,487,594.80, 1,256,278,631.40 and 255,240,835.20 is: 382,875,649.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,487,594.80 : 1,256,278,631.40 = 255,240,835.20 : x
  2. Step 2: Convert to fraction form
    837,487,594.80/1,256,278,631.40 = 255,240,835.20/x
  3. Step 3: Cross multiply
    837,487,594.80x = 1,256,278,631.40 × 255,240,835.20
  4. Step 4: Simplify right side
    837,487,594.80x = 320,653,607,122,448,960
  5. Step 5: Solve for x
    x = 320,653,607,122,448,960/837,487,594.80
  6. Step 6: Final answer
    x = 382,875,649.88

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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.