Home / 42,130,158,459.49-63,188,510,640.31-12,277,506,729.64

Finding the Fourth Proportional to 42,130,158,459.49, 63,188,510,640.31 and 12,277,506,729.64

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Solution

The fourth proportional to 42,130,158,459.49, 63,188,510,640.31 and 12,277,506,729.64 is: 18,414,299,708.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,130,158,459.49 : 63,188,510,640.31 = 12,277,506,729.64 : x
  2. Step 2: Convert to fraction form
    42,130,158,459.49/63,188,510,640.31 = 12,277,506,729.64/x
  3. Step 3: Cross multiply
    42,130,158,459.49x = 63,188,510,640.31 × 12,277,506,729.64
  4. Step 4: Simplify right side
    42,130,158,459.49x = 775,797,364,622,334,754,816
  5. Step 5: Solve for x
    x = 775,797,364,622,334,754,816/42,130,158,459.49
  6. Step 6: Final answer
    x = 18,414,299,708.09

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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.