Home / 689,941,638,072.90-1,034,912,457,109.30-572,395,391,928.90

Finding the Fourth Proportional to 689,941,638,072.90, 1,034,912,457,109.30 and 572,395,391,928.90

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Solution

The fourth proportional to 689,941,638,072.90, 1,034,912,457,109.30 and 572,395,391,928.90 is: 858,593,087,893.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,941,638,072.90 : 1,034,912,457,109.30 = 572,395,391,928.90 : x
  2. Step 2: Convert to fraction form
    689,941,638,072.90/1,034,912,457,109.30 = 572,395,391,928.90/x
  3. Step 3: Cross multiply
    689,941,638,072.90x = 1,034,912,457,109.30 × 572,395,391,928.90
  4. Step 4: Simplify right side
    689,941,638,072.90x = 592,379,121,499,178,734,190,592
  5. Step 5: Solve for x
    x = 592,379,121,499,178,734,190,592/689,941,638,072.90
  6. Step 6: Final answer
    x = 858,593,087,893.31

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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.