Home / 458,878,597.67-688,521,345.37-240,477,013.82

Finding the Fourth Proportional to 458,878,597.67, 688,521,345.37 and 240,477,013.82

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Solution

The fourth proportional to 458,878,597.67, 688,521,345.37 and 240,477,013.82 is: 360,822,138.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,878,597.67 : 688,521,345.37 = 240,477,013.82 : x
  2. Step 2: Convert to fraction form
    458,878,597.67/688,521,345.37 = 240,477,013.82/x
  3. Step 3: Cross multiply
    458,878,597.67x = 688,521,345.37 × 240,477,013.82
  4. Step 4: Simplify right side
    458,878,597.67x = 165,573,557,081,261,504
  5. Step 5: Solve for x
    x = 165,573,557,081,261,504/458,878,597.67
  6. Step 6: Final answer
    x = 360,822,138.85

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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.