Home / 1,295,790,848.80-1,943,856,769.20-478,477,261.60

Finding the Fourth Proportional to 1,295,790,848.80, 1,943,856,769.20 and 478,477,261.60

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Solution

The fourth proportional to 1,295,790,848.80, 1,943,856,769.20 and 478,477,261.60 is: 717,778,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,790,848.80 : 1,943,856,769.20 = 478,477,261.60 : x
  2. Step 2: Convert to fraction form
    1,295,790,848.80/1,943,856,769.20 = 478,477,261.60/x
  3. Step 3: Cross multiply
    1,295,790,848.80x = 1,943,856,769.20 × 478,477,261.60
  4. Step 4: Simplify right side
    1,295,790,848.80x = 930,091,263,869,439,232
  5. Step 5: Solve for x
    x = 930,091,263,869,439,232/1,295,790,848.80
  6. Step 6: Final answer
    x = 717,778,848.90

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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.