Home / 860,695,980.57-1,291,051,203.75-238,959,693.27

Finding the Fourth Proportional to 860,695,980.57, 1,291,051,203.75 and 238,959,693.27

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Solution

The fourth proportional to 860,695,980.57, 1,291,051,203.75 and 238,959,693.27 is: 358,441,548.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,695,980.57 : 1,291,051,203.75 = 238,959,693.27 : x
  2. Step 2: Convert to fraction form
    860,695,980.57/1,291,051,203.75 = 238,959,693.27/x
  3. Step 3: Cross multiply
    860,695,980.57x = 1,291,051,203.75 × 238,959,693.27
  4. Step 4: Simplify right side
    860,695,980.57x = 308,509,199,643,964,288
  5. Step 5: Solve for x
    x = 308,509,199,643,964,288/860,695,980.57
  6. Step 6: Final answer
    x = 358,441,548.01

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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.