Home / 648,488,182.76-972,586,402.36-298,398,435.08

Finding the Fourth Proportional to 648,488,182.76, 972,586,402.36 and 298,398,435.08

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Solution

The fourth proportional to 648,488,182.76, 972,586,402.36 and 298,398,435.08 is: 447,530,530.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,488,182.76 : 972,586,402.36 = 298,398,435.08 : x
  2. Step 2: Convert to fraction form
    648,488,182.76/972,586,402.36 = 298,398,435.08/x
  3. Step 3: Cross multiply
    648,488,182.76x = 972,586,402.36 × 298,398,435.08
  4. Step 4: Simplify right side
    648,488,182.76x = 290,218,260,444,311,232
  5. Step 5: Solve for x
    x = 290,218,260,444,311,232/648,488,182.76
  6. Step 6: Final answer
    x = 447,530,530.49

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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.