Home / 5,298,434,377.61-7,311,995,409.80-2,919,725,542.79

Finding the Fourth Proportional to 5,298,434,377.61, 7,311,995,409.80 and 2,919,725,542.79

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Solution

The fourth proportional to 5,298,434,377.61, 7,311,995,409.80 and 2,919,725,542.79 is: 4,029,307,196.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298,434,377.61 : 7,311,995,409.80 = 2,919,725,542.79 : x
  2. Step 2: Convert to fraction form
    5,298,434,377.61/7,311,995,409.80 = 2,919,725,542.79/x
  3. Step 3: Cross multiply
    5,298,434,377.61x = 7,311,995,409.80 × 2,919,725,542.79
  4. Step 4: Simplify right side
    5,298,434,377.61x = 21,349,019,766,779,269,120
  5. Step 5: Solve for x
    x = 21,349,019,766,779,269,120/5,298,434,377.61
  6. Step 6: Final answer
    x = 4,029,307,196.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.