Home / 21,065,951,541.21-31,598,926,701.20-9,717,771,018.50

Finding the Fourth Proportional to 21,065,951,541.21, 31,598,926,701.20 and 9,717,771,018.50

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Solution

The fourth proportional to 21,065,951,541.21, 31,598,926,701.20 and 9,717,771,018.50 is: 14,576,656,246.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,065,951,541.21 : 31,598,926,701.20 = 9,717,771,018.50 : x
  2. Step 2: Convert to fraction form
    21,065,951,541.21/31,598,926,701.20 = 9,717,771,018.50/x
  3. Step 3: Cross multiply
    21,065,951,541.21x = 31,598,926,701.20 × 9,717,771,018.50
  4. Step 4: Simplify right side
    21,065,951,541.21x = 307,071,134,112,627,163,136
  5. Step 5: Solve for x
    x = 307,071,134,112,627,163,136/21,065,951,541.21
  6. Step 6: Final answer
    x = 14,576,656,246.07

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1.5x scale

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.