Home / 1,861,956,887.12-2,793,222,308.84-634,838,360.48

Finding the Fourth Proportional to 1,861,956,887.12, 2,793,222,308.84 and 634,838,360.48

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Solution

The fourth proportional to 1,861,956,887.12, 2,793,222,308.84 and 634,838,360.48 is: 952,355,386.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,956,887.12 : 2,793,222,308.84 = 634,838,360.48 : x
  2. Step 2: Convert to fraction form
    1,861,956,887.12/2,793,222,308.84 = 634,838,360.48/x
  3. Step 3: Cross multiply
    1,861,956,887.12x = 2,793,222,308.84 × 634,838,360.48
  4. Step 4: Simplify right side
    1,861,956,887.12x = 1,773,244,671,000,145,920
  5. Step 5: Solve for x
    x = 1,773,244,671,000,145,920/1,861,956,887.12
  6. Step 6: Final answer
    x = 952,355,386.56

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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.