Home / 1,086,947,693.93-1,499,788,562.38-641,050,586.57

Finding the Fourth Proportional to 1,086,947,693.93, 1,499,788,562.38 and 641,050,586.57

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Solution

The fourth proportional to 1,086,947,693.93, 1,499,788,562.38 and 641,050,586.57 is: 884,532,294.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,947,693.93 : 1,499,788,562.38 = 641,050,586.57 : x
  2. Step 2: Convert to fraction form
    1,086,947,693.93/1,499,788,562.38 = 641,050,586.57/x
  3. Step 3: Cross multiply
    1,086,947,693.93x = 1,499,788,562.38 × 641,050,586.57
  4. Step 4: Simplify right side
    1,086,947,693.93x = 961,440,337,646,822,912
  5. Step 5: Solve for x
    x = 961,440,337,646,822,912/1,086,947,693.93
  6. Step 6: Final answer
    x = 884,532,294.44

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Half scale
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Double scale
Find fourth proportional to 1,086,947,694.93, 1,499,788,563.76 and 641,050,587.57
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1.5x scale

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.