Home / 299,807,587,123.20-449,694,827,404.32-219,215,877,602.40

Finding the Fourth Proportional to 299,807,587,123.20, 449,694,827,404.32 and 219,215,877,602.40

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Solution

The fourth proportional to 299,807,587,123.20, 449,694,827,404.32 and 219,215,877,602.40 is: 328,811,712,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,807,587,123.20 : 449,694,827,404.32 = 219,215,877,602.40 : x
  2. Step 2: Convert to fraction form
    299,807,587,123.20/449,694,827,404.32 = 219,215,877,602.40/x
  3. Step 3: Cross multiply
    299,807,587,123.20x = 449,694,827,404.32 × 219,215,877,602.40
  4. Step 4: Simplify right side
    299,807,587,123.20x = 98,580,246,242,697,804,775,424
  5. Step 5: Solve for x
    x = 98,580,246,242,697,804,775,424/299,807,587,123.20
  6. Step 6: Final answer
    x = 328,811,712,834.30

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1.5x scale

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.