Home / 708,590,968.70-1,062,886,453.05-325,638,520.70

Finding the Fourth Proportional to 708,590,968.70, 1,062,886,453.05 and 325,638,520.70

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Solution

The fourth proportional to 708,590,968.70, 1,062,886,453.05 and 325,638,520.70 is: 488,457,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,590,968.70 : 1,062,886,453.05 = 325,638,520.70 : x
  2. Step 2: Convert to fraction form
    708,590,968.70/1,062,886,453.05 = 325,638,520.70/x
  3. Step 3: Cross multiply
    708,590,968.70x = 1,062,886,453.05 × 325,638,520.70
  4. Step 4: Simplify right side
    708,590,968.70x = 346,116,772,243,272,000
  5. Step 5: Solve for x
    x = 346,116,772,243,272,000/708,590,968.70
  6. Step 6: Final answer
    x = 488,457,781.05

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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.