Home / 1,242,697,964.22-1,714,959,548.33-678,219,051.02

Finding the Fourth Proportional to 1,242,697,964.22, 1,714,959,548.33 and 678,219,051.02

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Solution

The fourth proportional to 1,242,697,964.22, 1,714,959,548.33 and 678,219,051.02 is: 935,962,133.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,697,964.22 : 1,714,959,548.33 = 678,219,051.02 : x
  2. Step 2: Convert to fraction form
    1,242,697,964.22/1,714,959,548.33 = 678,219,051.02/x
  3. Step 3: Cross multiply
    1,242,697,964.22x = 1,714,959,548.33 × 678,219,051.02
  4. Step 4: Simplify right side
    1,242,697,964.22x = 1,163,118,237,394,094,592
  5. Step 5: Solve for x
    x = 1,163,118,237,394,094,592/1,242,697,964.22
  6. Step 6: Final answer
    x = 935,962,133.10

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Double scale
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1.5x scale

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.