Home / 1,078,240,506.56-1,617,562,331.04-432,058,639.04

Finding the Fourth Proportional to 1,078,240,506.56, 1,617,562,331.04 and 432,058,639.04

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Solution

The fourth proportional to 1,078,240,506.56, 1,617,562,331.04 and 432,058,639.04 is: 648,168,729.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,240,506.56 : 1,617,562,331.04 = 432,058,639.04 : x
  2. Step 2: Convert to fraction form
    1,078,240,506.56/1,617,562,331.04 = 432,058,639.04/x
  3. Step 3: Cross multiply
    1,078,240,506.56x = 1,617,562,331.04 × 432,058,639.04
  4. Step 4: Simplify right side
    1,078,240,506.56x = 698,881,779,311,512,320
  5. Step 5: Solve for x
    x = 698,881,779,311,512,320/1,078,240,506.56
  6. Step 6: Final answer
    x = 648,168,729.57

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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.