Home / 1,221,799,337.40-1,832,699,006.10-445,470,324.60

Finding the Fourth Proportional to 1,221,799,337.40, 1,832,699,006.10 and 445,470,324.60

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Solution

The fourth proportional to 1,221,799,337.40, 1,832,699,006.10 and 445,470,324.60 is: 668,205,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,799,337.40 : 1,832,699,006.10 = 445,470,324.60 : x
  2. Step 2: Convert to fraction form
    1,221,799,337.40/1,832,699,006.10 = 445,470,324.60/x
  3. Step 3: Cross multiply
    1,221,799,337.40x = 1,832,699,006.10 × 445,470,324.60
  4. Step 4: Simplify right side
    1,221,799,337.40x = 816,413,021,141,464,320
  5. Step 5: Solve for x
    x = 816,413,021,141,464,320/1,221,799,337.40
  6. Step 6: Final answer
    x = 668,205,486.90

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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.