Home / 1,778,126,025.88-2,666,155,177.69-672,816,267.58

Finding the Fourth Proportional to 1,778,126,025.88, 2,666,155,177.69 and 672,816,267.58

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Solution

The fourth proportional to 1,778,126,025.88, 2,666,155,177.69 and 672,816,267.58 is: 1,008,833,203.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,126,025.88 : 2,666,155,177.69 = 672,816,267.58 : x
  2. Step 2: Convert to fraction form
    1,778,126,025.88/2,666,155,177.69 = 672,816,267.58/x
  3. Step 3: Cross multiply
    1,778,126,025.88x = 2,666,155,177.69 × 672,816,267.58
  4. Step 4: Simplify right side
    1,778,126,025.88x = 1,793,832,575,439,113,472
  5. Step 5: Solve for x
    x = 1,793,832,575,439,113,472/1,778,126,025.88
  6. Step 6: Final answer
    x = 1,008,833,203.79

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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.