Home / 894,312,315.94-1,234,091,537.66-497,825,111.28

Finding the Fourth Proportional to 894,312,315.94, 1,234,091,537.66 and 497,825,111.28

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Solution

The fourth proportional to 894,312,315.94, 1,234,091,537.66 and 497,825,111.28 is: 686,965,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,312,315.94 : 1,234,091,537.66 = 497,825,111.28 : x
  2. Step 2: Convert to fraction form
    894,312,315.94/1,234,091,537.66 = 497,825,111.28/x
  3. Step 3: Cross multiply
    894,312,315.94x = 1,234,091,537.66 × 497,825,111.28
  4. Step 4: Simplify right side
    894,312,315.94x = 614,361,757,065,295,872
  5. Step 5: Solve for x
    x = 614,361,757,065,295,872/894,312,315.94
  6. Step 6: Final answer
    x = 686,965,555.67

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Double scale
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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.