Home / 708,590,971.70-1,062,886,457.55-325,638,523.70

Finding the Fourth Proportional to 708,590,971.70, 1,062,886,457.55 and 325,638,523.70

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Solution

The fourth proportional to 708,590,971.70, 1,062,886,457.55 and 325,638,523.70 is: 488,457,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,590,971.70 : 1,062,886,457.55 = 325,638,523.70 : x
  2. Step 2: Convert to fraction form
    708,590,971.70/1,062,886,457.55 = 325,638,523.70/x
  3. Step 3: Cross multiply
    708,590,971.70x = 1,062,886,457.55 × 325,638,523.70
  4. Step 4: Simplify right side
    708,590,971.70x = 346,116,776,897,304,704
  5. Step 5: Solve for x
    x = 346,116,776,897,304,704/708,590,971.70
  6. Step 6: Final answer
    x = 488,457,785.55

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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.