Home / 1,989,952,381,507.80-2,985,227,030,150.70-698,936,087,182.71

Finding the Fourth Proportional to 1,989,952,381,507.80, 2,985,227,030,150.70 and 698,936,087,182.71

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Solution

The fourth proportional to 1,989,952,381,507.80, 2,985,227,030,150.70 and 698,936,087,182.71 is: 1,048,508,958,905.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,952,381,507.80 : 2,985,227,030,150.70 = 698,936,087,182.71 : x
  2. Step 2: Convert to fraction form
    1,989,952,381,507.80/2,985,227,030,150.70 = 698,936,087,182.71/x
  3. Step 3: Cross multiply
    1,989,952,381,507.80x = 2,985,227,030,150.70 × 698,936,087,182.71
  4. Step 4: Simplify right side
    1,989,952,381,507.80x = 2,086,482,899,805,592,065,409,024
  5. Step 5: Solve for x
    x = 2,086,482,899,805,592,065,409,024/1,989,952,381,507.80
  6. Step 6: Final answer
    x = 1,048,508,958,905.16

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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.