Home / 915,456,228.80-1,373,184,343.20-225,358,001.60

Finding the Fourth Proportional to 915,456,228.80, 1,373,184,343.20 and 225,358,001.60

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Solution

The fourth proportional to 915,456,228.80, 1,373,184,343.20 and 225,358,001.60 is: 338,037,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,456,228.80 : 1,373,184,343.20 = 225,358,001.60 : x
  2. Step 2: Convert to fraction form
    915,456,228.80/1,373,184,343.20 = 225,358,001.60/x
  3. Step 3: Cross multiply
    915,456,228.80x = 1,373,184,343.20 × 225,358,001.60
  4. Step 4: Simplify right side
    915,456,228.80x = 309,458,079,411,960,576
  5. Step 5: Solve for x
    x = 309,458,079,411,960,576/915,456,228.80
  6. Step 6: Final answer
    x = 338,037,002.40

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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.