Home / 742,232,382.32-1,113,341,484.36-451,179,864.56

Finding the Fourth Proportional to 742,232,382.32, 1,113,341,484.36 and 451,179,864.56

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Solution

The fourth proportional to 742,232,382.32, 1,113,341,484.36 and 451,179,864.56 is: 676,765,487.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,232,382.32 : 1,113,341,484.36 = 451,179,864.56 : x
  2. Step 2: Convert to fraction form
    742,232,382.32/1,113,341,484.36 = 451,179,864.56/x
  3. Step 3: Cross multiply
    742,232,382.32x = 1,113,341,484.36 × 451,179,864.56
  4. Step 4: Simplify right side
    742,232,382.32x = 502,317,260,122,574,144
  5. Step 5: Solve for x
    x = 502,317,260,122,574,144/742,232,382.32
  6. Step 6: Final answer
    x = 676,765,487.59

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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.