Home / 435,484,987.20-653,227,480.80-251,818,977.60

Finding the Fourth Proportional to 435,484,987.20, 653,227,480.80 and 251,818,977.60

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Solution

The fourth proportional to 435,484,987.20, 653,227,480.80 and 251,818,977.60 is: 377,728,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,484,987.20 : 653,227,480.80 = 251,818,977.60 : x
  2. Step 2: Convert to fraction form
    435,484,987.20/653,227,480.80 = 251,818,977.60/x
  3. Step 3: Cross multiply
    435,484,987.20x = 653,227,480.80 × 251,818,977.60
  4. Step 4: Simplify right side
    435,484,987.20x = 164,495,076,355,279,616
  5. Step 5: Solve for x
    x = 164,495,076,355,279,616/435,484,987.20
  6. Step 6: Final answer
    x = 377,728,466.40

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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.