Home / 1,153,346,117.36-1,729,501,901.94-687,227,191.52

Finding the Fourth Proportional to 1,153,346,117.36, 1,729,501,901.94 and 687,227,191.52

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Solution

The fourth proportional to 1,153,346,117.36, 1,729,501,901.94 and 687,227,191.52 is: 1,030,532,566.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,346,117.36 : 1,729,501,901.94 = 687,227,191.52 : x
  2. Step 2: Convert to fraction form
    1,153,346,117.36/1,729,501,901.94 = 687,227,191.52/x
  3. Step 3: Cross multiply
    1,153,346,117.36x = 1,729,501,901.94 × 687,227,191.52
  4. Step 4: Simplify right side
    1,153,346,117.36x = 1,188,560,734,798,724,608
  5. Step 5: Solve for x
    x = 1,188,560,734,798,724,608/1,153,346,117.36
  6. Step 6: Final answer
    x = 1,030,532,566.86

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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.