Home / 907,243,382.20-1,359,969,278.10-446,804,649.40

Finding the Fourth Proportional to 907,243,382.20, 1,359,969,278.10 and 446,804,649.40

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Solution

The fourth proportional to 907,243,382.20, 1,359,969,278.10 and 446,804,649.40 is: 669,765,807.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,243,382.20 : 1,359,969,278.10 = 446,804,649.40 : x
  2. Step 2: Convert to fraction form
    907,243,382.20/1,359,969,278.10 = 446,804,649.40/x
  3. Step 3: Cross multiply
    907,243,382.20x = 1,359,969,278.10 × 446,804,649.40
  4. Step 4: Simplify right side
    907,243,382.20x = 607,640,596,496,241,536
  5. Step 5: Solve for x
    x = 607,640,596,496,241,536/907,243,382.20
  6. Step 6: Final answer
    x = 669,765,807.52

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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.