Home / 860,695,960.70-1,291,051,173.95-238,959,673.40

Finding the Fourth Proportional to 860,695,960.70, 1,291,051,173.95 and 238,959,673.40

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Solution

The fourth proportional to 860,695,960.70, 1,291,051,173.95 and 238,959,673.40 is: 358,441,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,695,960.70 : 1,291,051,173.95 = 238,959,673.40 : x
  2. Step 2: Convert to fraction form
    860,695,960.70/1,291,051,173.95 = 238,959,673.40/x
  3. Step 3: Cross multiply
    860,695,960.70x = 1,291,051,173.95 × 238,959,673.40
  4. Step 4: Simplify right side
    860,695,960.70x = 308,509,166,862,128,512
  5. Step 5: Solve for x
    x = 308,509,166,862,128,512/860,695,960.70
  6. Step 6: Final answer
    x = 358,441,518.20

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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.