Home / 15,235,007,935.52-21,022,407,178.08-8,459,905,348.64

Finding the Fourth Proportional to 15,235,007,935.52, 21,022,407,178.08 and 8,459,905,348.64

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Solution

The fourth proportional to 15,235,007,935.52, 21,022,407,178.08 and 8,459,905,348.64 is: 11,673,612,227.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,235,007,935.52 : 21,022,407,178.08 = 8,459,905,348.64 : x
  2. Step 2: Convert to fraction form
    15,235,007,935.52/21,022,407,178.08 = 8,459,905,348.64/x
  3. Step 3: Cross multiply
    15,235,007,935.52x = 21,022,407,178.08 × 8,459,905,348.64
  4. Step 4: Simplify right side
    15,235,007,935.52x = 177,847,574,927,126,953,984
  5. Step 5: Solve for x
    x = 177,847,574,927,126,953,984/15,235,007,935.52
  6. Step 6: Final answer
    x = 11,673,612,227.83

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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.