Home / 1,799,172,060.70-2,698,758,091.05-572,464,515.10

Finding the Fourth Proportional to 1,799,172,060.70, 2,698,758,091.05 and 572,464,515.10

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Solution

The fourth proportional to 1,799,172,060.70, 2,698,758,091.05 and 572,464,515.10 is: 858,696,772.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799,172,060.70 : 2,698,758,091.05 = 572,464,515.10 : x
  2. Step 2: Convert to fraction form
    1,799,172,060.70/2,698,758,091.05 = 572,464,515.10/x
  3. Step 3: Cross multiply
    1,799,172,060.70x = 2,698,758,091.05 × 572,464,515.10
  4. Step 4: Simplify right side
    1,799,172,060.70x = 1,544,943,241,965,139,968
  5. Step 5: Solve for x
    x = 1,544,943,241,965,139,968/1,799,172,060.70
  6. Step 6: Final answer
    x = 858,696,772.65

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Double scale
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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.