Home / 907,087,266.44-1,251,112,113.36-684,078,346.28

Finding the Fourth Proportional to 907,087,266.44, 1,251,112,113.36 and 684,078,346.28

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Solution

The fourth proportional to 907,087,266.44, 1,251,112,113.36 and 684,078,346.28 is: 943,524,109.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,087,266.44 : 1,251,112,113.36 = 684,078,346.28 : x
  2. Step 2: Convert to fraction form
    907,087,266.44/1,251,112,113.36 = 684,078,346.28/x
  3. Step 3: Cross multiply
    907,087,266.44x = 1,251,112,113.36 × 684,078,346.28
  4. Step 4: Simplify right side
    907,087,266.44x = 855,858,705,518,184,576
  5. Step 5: Solve for x
    x = 855,858,705,518,184,576/907,087,266.44
  6. Step 6: Final answer
    x = 943,524,109.73

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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.