Home / 1,609,409,377.56-2,221,004,959.54-974,321,439.32

Finding the Fourth Proportional to 1,609,409,377.56, 2,221,004,959.54 and 974,321,439.32

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Solution

The fourth proportional to 1,609,409,377.56, 2,221,004,959.54 and 974,321,439.32 is: 1,344,575,705.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,409,377.56 : 2,221,004,959.54 = 974,321,439.32 : x
  2. Step 2: Convert to fraction form
    1,609,409,377.56/2,221,004,959.54 = 974,321,439.32/x
  3. Step 3: Cross multiply
    1,609,409,377.56x = 2,221,004,959.54 × 974,321,439.32
  4. Step 4: Simplify right side
    1,609,409,377.56x = 2,163,972,748,915,871,232
  5. Step 5: Solve for x
    x = 2,163,972,748,915,871,232/1,609,409,377.56
  6. Step 6: Final answer
    x = 1,344,575,705.28

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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.