Home / 7,179,018,311.28-9,908,698,264.57-4,209,751,156.08

Finding the Fourth Proportional to 7,179,018,311.28, 9,908,698,264.57 and 4,209,751,156.08

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Solution

The fourth proportional to 7,179,018,311.28, 9,908,698,264.57 and 4,209,751,156.08 is: 5,810,425,905.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,018,311.28 : 9,908,698,264.57 = 4,209,751,156.08 : x
  2. Step 2: Convert to fraction form
    7,179,018,311.28/9,908,698,264.57 = 4,209,751,156.08/x
  3. Step 3: Cross multiply
    7,179,018,311.28x = 9,908,698,264.57 × 4,209,751,156.08
  4. Step 4: Simplify right side
    7,179,018,311.28x = 41,713,153,974,521,446,400
  5. Step 5: Solve for x
    x = 41,713,153,974,521,446,400/7,179,018,311.28
  6. Step 6: Final answer
    x = 5,810,425,905.86

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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.