Home / 893,658,128.80-1,340,487,193.20-247,425,872.80

Finding the Fourth Proportional to 893,658,128.80, 1,340,487,193.20 and 247,425,872.80

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Solution

The fourth proportional to 893,658,128.80, 1,340,487,193.20 and 247,425,872.80 is: 371,138,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,658,128.80 : 1,340,487,193.20 = 247,425,872.80 : x
  2. Step 2: Convert to fraction form
    893,658,128.80/1,340,487,193.20 = 247,425,872.80/x
  3. Step 3: Cross multiply
    893,658,128.80x = 1,340,487,193.20 × 247,425,872.80
  4. Step 4: Simplify right side
    893,658,128.80x = 331,671,213,754,732,224
  5. Step 5: Solve for x
    x = 331,671,213,754,732,224/893,658,128.80
  6. Step 6: Final answer
    x = 371,138,809.20

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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.