Home / 1,230,599,875.52-1,698,227,911.07-673,682,922.59

Finding the Fourth Proportional to 1,230,599,875.52, 1,698,227,911.07 and 673,682,922.59

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Solution

The fourth proportional to 1,230,599,875.52, 1,698,227,911.07 and 673,682,922.59 is: 929,682,478.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,599,875.52 : 1,698,227,911.07 = 673,682,922.59 : x
  2. Step 2: Convert to fraction form
    1,230,599,875.52/1,698,227,911.07 = 673,682,922.59/x
  3. Step 3: Cross multiply
    1,230,599,875.52x = 1,698,227,911.07 × 673,682,922.59
  4. Step 4: Simplify right side
    1,230,599,875.52x = 1,144,067,142,341,688,704
  5. Step 5: Solve for x
    x = 1,144,067,142,341,688,704/1,230,599,875.52
  6. Step 6: Final answer
    x = 929,682,478.53

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Double scale
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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.