Home / 1,887,684,812.78-2,831,640,717.98-577,598,215.37

Finding the Fourth Proportional to 1,887,684,812.78, 2,831,640,717.98 and 577,598,215.37

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Solution

The fourth proportional to 1,887,684,812.78, 2,831,640,717.98 and 577,598,215.37 is: 866,432,051.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,684,812.78 : 2,831,640,717.98 = 577,598,215.37 : x
  2. Step 2: Convert to fraction form
    1,887,684,812.78/2,831,640,717.98 = 577,598,215.37/x
  3. Step 3: Cross multiply
    1,887,684,812.78x = 2,831,640,717.98 × 577,598,215.37
  4. Step 4: Simplify right side
    1,887,684,812.78x = 1,635,550,625,261,501,440
  5. Step 5: Solve for x
    x = 1,635,550,625,261,501,440/1,887,684,812.78
  6. Step 6: Final answer
    x = 866,432,051.68

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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.