Home / 935,695,998.70-1,403,543,998.05-245,673,004.30

Finding the Fourth Proportional to 935,695,998.70, 1,403,543,998.05 and 245,673,004.30

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Solution

The fourth proportional to 935,695,998.70, 1,403,543,998.05 and 245,673,004.30 is: 368,509,506.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,695,998.70 : 1,403,543,998.05 = 245,673,004.30 : x
  2. Step 2: Convert to fraction form
    935,695,998.70/1,403,543,998.05 = 245,673,004.30/x
  3. Step 3: Cross multiply
    935,695,998.70x = 1,403,543,998.05 × 245,673,004.30
  4. Step 4: Simplify right side
    935,695,998.70x = 344,812,870,668,176,832
  5. Step 5: Solve for x
    x = 344,812,870,668,176,832/935,695,998.70
  6. Step 6: Final answer
    x = 368,509,506.45

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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.