Home / 694,917,509.77-958,982,454.12-377,374,980.03

Finding the Fourth Proportional to 694,917,509.77, 958,982,454.12 and 377,374,980.03

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Solution

The fourth proportional to 694,917,509.77, 958,982,454.12 and 377,374,980.03 is: 520,775,458.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,917,509.77 : 958,982,454.12 = 377,374,980.03 : x
  2. Step 2: Convert to fraction form
    694,917,509.77/958,982,454.12 = 377,374,980.03/x
  3. Step 3: Cross multiply
    694,917,509.77x = 958,982,454.12 × 377,374,980.03
  4. Step 4: Simplify right side
    694,917,509.77x = 361,895,984,472,655,360
  5. Step 5: Solve for x
    x = 361,895,984,472,655,360/694,917,509.77
  6. Step 6: Final answer
    x = 520,775,458.07

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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.