Home / 798,452,130.30-1,195,886,605.05-655,124,898.30

Finding the Fourth Proportional to 798,452,130.30, 1,195,886,605.05 and 655,124,898.30

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Solution

The fourth proportional to 798,452,130.30, 1,195,886,605.05 and 655,124,898.30 is: 981,217,358.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,452,130.30 : 1,195,886,605.05 = 655,124,898.30 : x
  2. Step 2: Convert to fraction form
    798,452,130.30/1,195,886,605.05 = 655,124,898.30/x
  3. Step 3: Cross multiply
    798,452,130.30x = 1,195,886,605.05 × 655,124,898.30
  4. Step 4: Simplify right side
    798,452,130.30x = 783,455,090,511,713,408
  5. Step 5: Solve for x
    x = 783,455,090,511,713,408/798,452,130.30
  6. Step 6: Final answer
    x = 981,217,358.91

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Double scale
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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.