Home / 15,784,556,867.82-21,785,495,123.63-9,441,622,528.50

Finding the Fourth Proportional to 15,784,556,867.82, 21,785,495,123.63 and 9,441,622,528.50

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Solution

The fourth proportional to 15,784,556,867.82, 21,785,495,123.63 and 9,441,622,528.50 is: 13,031,117,900.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784,556,867.82 : 21,785,495,123.63 = 9,441,622,528.50 : x
  2. Step 2: Convert to fraction form
    15,784,556,867.82/21,785,495,123.63 = 9,441,622,528.50/x
  3. Step 3: Cross multiply
    15,784,556,867.82x = 21,785,495,123.63 × 9,441,622,528.50
  4. Step 4: Simplify right side
    15,784,556,867.82x = 205,690,421,553,791,926,272
  5. Step 5: Solve for x
    x = 205,690,421,553,791,926,272/15,784,556,867.82
  6. Step 6: Final answer
    x = 13,031,117,900.63

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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.