Home / 708,590,048.20-1,062,885,072.30-320,425,541.80

Finding the Fourth Proportional to 708,590,048.20, 1,062,885,072.30 and 320,425,541.80

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Solution

The fourth proportional to 708,590,048.20, 1,062,885,072.30 and 320,425,541.80 is: 480,638,312.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,590,048.20 : 1,062,885,072.30 = 320,425,541.80 : x
  2. Step 2: Convert to fraction form
    708,590,048.20/1,062,885,072.30 = 320,425,541.80/x
  3. Step 3: Cross multiply
    708,590,048.20x = 1,062,885,072.30 × 320,425,541.80
  4. Step 4: Simplify right side
    708,590,048.20x = 340,575,525,162,859,648
  5. Step 5: Solve for x
    x = 340,575,525,162,859,648/708,590,048.20
  6. Step 6: Final answer
    x = 480,638,312.70

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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.