Home / 1,242,697,948.45-1,714,959,526.57-678,219,035.24

Finding the Fourth Proportional to 1,242,697,948.45, 1,714,959,526.57 and 678,219,035.24

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Solution

The fourth proportional to 1,242,697,948.45, 1,714,959,526.57 and 678,219,035.24 is: 935,962,111.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,697,948.45 : 1,714,959,526.57 = 678,219,035.24 : x
  2. Step 2: Convert to fraction form
    1,242,697,948.45/1,714,959,526.57 = 678,219,035.24/x
  3. Step 3: Cross multiply
    1,242,697,948.45x = 1,714,959,526.57 × 678,219,035.24
  4. Step 4: Simplify right side
    1,242,697,948.45x = 1,163,118,195,588,544,512
  5. Step 5: Solve for x
    x = 1,163,118,195,588,544,512/1,242,697,948.45
  6. Step 6: Final answer
    x = 935,962,111.34

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.