Home / 12,643,091,130.74-18,958,430,961.11-6,254,246,579.06

Finding the Fourth Proportional to 12,643,091,130.74, 18,958,430,961.11 and 6,254,246,579.06

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Solution

The fourth proportional to 12,643,091,130.74, 18,958,430,961.11 and 6,254,246,579.06 is: 9,378,300,034.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,091,130.74 : 18,958,430,961.11 = 6,254,246,579.06 : x
  2. Step 2: Convert to fraction form
    12,643,091,130.74/18,958,430,961.11 = 6,254,246,579.06/x
  3. Step 3: Cross multiply
    12,643,091,130.74x = 18,958,430,961.11 × 6,254,246,579.06
  4. Step 4: Simplify right side
    12,643,091,130.74x = 118,570,701,982,933,565,440
  5. Step 5: Solve for x
    x = 118,570,701,982,933,565,440/12,643,091,130.74
  6. Step 6: Final answer
    x = 9,378,300,034.13

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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.