Home / 1,455,165,786.60-2,182,767,342.30-485,817,402.60

Finding the Fourth Proportional to 1,455,165,786.60, 2,182,767,342.30 and 485,817,402.60

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Solution

The fourth proportional to 1,455,165,786.60, 2,182,767,342.30 and 485,817,402.60 is: 728,732,334.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,165,786.60 : 2,182,767,342.30 = 485,817,402.60 : x
  2. Step 2: Convert to fraction form
    1,455,165,786.60/2,182,767,342.30 = 485,817,402.60/x
  3. Step 3: Cross multiply
    1,455,165,786.60x = 2,182,767,342.30 × 485,817,402.60
  4. Step 4: Simplify right side
    1,455,165,786.60x = 1,060,426,360,716,291,200
  5. Step 5: Solve for x
    x = 1,060,426,360,716,291,200/1,455,165,786.60
  6. Step 6: Final answer
    x = 728,732,334.47

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1.5x scale

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.