Home / 13,126,773,018.44-19,690,210,014.56-3,178,200,155.64

Finding the Fourth Proportional to 13,126,773,018.44, 19,690,210,014.56 and 3,178,200,155.64

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Solution

The fourth proportional to 13,126,773,018.44, 19,690,210,014.56 and 3,178,200,155.64 is: 4,767,312,457.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126,773,018.44 : 19,690,210,014.56 = 3,178,200,155.64 : x
  2. Step 2: Convert to fraction form
    13,126,773,018.44/19,690,210,014.56 = 3,178,200,155.64/x
  3. Step 3: Cross multiply
    13,126,773,018.44x = 19,690,210,014.56 × 3,178,200,155.64
  4. Step 4: Simplify right side
    13,126,773,018.44x = 62,579,428,532,842,987,520
  5. Step 5: Solve for x
    x = 62,579,428,532,842,987,520/13,126,773,018.44
  6. Step 6: Final answer
    x = 4,767,312,457.14

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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.