Home / 608,641,319.56-839,854,162.05-340,731,822.38

Finding the Fourth Proportional to 608,641,319.56, 839,854,162.05 and 340,731,822.38

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Solution

The fourth proportional to 608,641,319.56, 839,854,162.05 and 340,731,822.38 is: 470,170,246.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,641,319.56 : 839,854,162.05 = 340,731,822.38 : x
  2. Step 2: Convert to fraction form
    608,641,319.56/839,854,162.05 = 340,731,822.38/x
  3. Step 3: Cross multiply
    608,641,319.56x = 839,854,162.05 × 340,731,822.38
  4. Step 4: Simplify right side
    608,641,319.56x = 286,165,039,167,666,112
  5. Step 5: Solve for x
    x = 286,165,039,167,666,112/608,641,319.56
  6. Step 6: Final answer
    x = 470,170,246.37

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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.