Home / 1,077,019,851.70-1,612,216,310.42-702,721,783.48

Finding the Fourth Proportional to 1,077,019,851.70, 1,612,216,310.42 and 702,721,783.48

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Solution

The fourth proportional to 1,077,019,851.70, 1,612,216,310.42 and 702,721,783.48 is: 1,051,920,741.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,019,851.70 : 1,612,216,310.42 = 702,721,783.48 : x
  2. Step 2: Convert to fraction form
    1,077,019,851.70/1,612,216,310.42 = 702,721,783.48/x
  3. Step 3: Cross multiply
    1,077,019,851.70x = 1,612,216,310.42 × 702,721,783.48
  4. Step 4: Simplify right side
    1,077,019,851.70x = 1,132,939,521,013,887,744
  5. Step 5: Solve for x
    x = 1,132,939,521,013,887,744/1,077,019,851.70
  6. Step 6: Final answer
    x = 1,051,920,741.50

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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.