Home / 12,723,343,729.66-17,559,011,753.81-7,007,627,019.48

Finding the Fourth Proportional to 12,723,343,729.66, 17,559,011,753.81 and 7,007,627,019.48

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Solution

The fourth proportional to 12,723,343,729.66, 17,559,011,753.81 and 7,007,627,019.48 is: 9,670,964,474.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,723,343,729.66 : 17,559,011,753.81 = 7,007,627,019.48 : x
  2. Step 2: Convert to fraction form
    12,723,343,729.66/17,559,011,753.81 = 7,007,627,019.48/x
  3. Step 3: Cross multiply
    12,723,343,729.66x = 17,559,011,753.81 × 7,007,627,019.48
  4. Step 4: Simplify right side
    12,723,343,729.66x = 123,047,005,201,385,177,088
  5. Step 5: Solve for x
    x = 123,047,005,201,385,177,088/12,723,343,729.66
  6. Step 6: Final answer
    x = 9,670,964,474.11

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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.