Home / 14,234,584,749.31-19,643,726,528.90-7,890,936,507.55

Finding the Fourth Proportional to 14,234,584,749.31, 19,643,726,528.90 and 7,890,936,507.55

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Solution

The fourth proportional to 14,234,584,749.31, 19,643,726,528.90 and 7,890,936,507.55 is: 10,889,492,144.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,234,584,749.31 : 19,643,726,528.90 = 7,890,936,507.55 : x
  2. Step 2: Convert to fraction form
    14,234,584,749.31/19,643,726,528.90 = 7,890,936,507.55/x
  3. Step 3: Cross multiply
    14,234,584,749.31x = 19,643,726,528.90 × 7,890,936,507.55
  4. Step 4: Simplify right side
    14,234,584,749.31x = 155,007,398,811,225,456,640
  5. Step 5: Solve for x
    x = 155,007,398,811,225,456,640/14,234,584,749.31
  6. Step 6: Final answer
    x = 10,889,492,144.74

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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.