Home / 380,353,089.08-570,437,808.06-158,904,774.20

Finding the Fourth Proportional to 380,353,089.08, 570,437,808.06 and 158,904,774.20

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Solution

The fourth proportional to 380,353,089.08, 570,437,808.06 and 158,904,774.20 is: 238,318,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,353,089.08 : 570,437,808.06 = 158,904,774.20 : x
  2. Step 2: Convert to fraction form
    380,353,089.08/570,437,808.06 = 158,904,774.20/x
  3. Step 3: Cross multiply
    380,353,089.08x = 570,437,808.06 × 158,904,774.20
  4. Step 4: Simplify right side
    380,353,089.08x = 90,645,291,084,917,232
  5. Step 5: Solve for x
    x = 90,645,291,084,917,232/380,353,089.08
  6. Step 6: Final answer
    x = 238,318,798.21

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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.