Home / 1,637,887,927.20-2,456,831,890.80-532,490,647.20

Finding the Fourth Proportional to 1,637,887,927.20, 2,456,831,890.80 and 532,490,647.20

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Solution

The fourth proportional to 1,637,887,927.20, 2,456,831,890.80 and 532,490,647.20 is: 798,735,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,887,927.20 : 2,456,831,890.80 = 532,490,647.20 : x
  2. Step 2: Convert to fraction form
    1,637,887,927.20/2,456,831,890.80 = 532,490,647.20/x
  3. Step 3: Cross multiply
    1,637,887,927.20x = 2,456,831,890.80 × 532,490,647.20
  4. Step 4: Simplify right side
    1,637,887,927.20x = 1,308,240,003,593,691,904
  5. Step 5: Solve for x
    x = 1,308,240,003,593,691,904/1,637,887,927.20
  6. Step 6: Final answer
    x = 798,735,970.80

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Double scale
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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.