Home / 452,818,512.15-678,869,045.55-248,346,587.40

Finding the Fourth Proportional to 452,818,512.15, 678,869,045.55 and 248,346,587.40

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Solution

The fourth proportional to 452,818,512.15, 678,869,045.55 and 248,346,587.40 is: 372,323,141.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,818,512.15 : 678,869,045.55 = 248,346,587.40 : x
  2. Step 2: Convert to fraction form
    452,818,512.15/678,869,045.55 = 248,346,587.40/x
  3. Step 3: Cross multiply
    452,818,512.15x = 678,869,045.55 × 248,346,587.40
  4. Step 4: Simplify right side
    452,818,512.15x = 168,594,810,753,837,664
  5. Step 5: Solve for x
    x = 168,594,810,753,837,664/452,818,512.15
  6. Step 6: Final answer
    x = 372,323,141.02

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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.