Home / 647,694,252.40-970,106,487.90-561,600,810.40

Finding the Fourth Proportional to 647,694,252.40, 970,106,487.90 and 561,600,810.40

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Solution

The fourth proportional to 647,694,252.40, 970,106,487.90 and 561,600,810.40 is: 841,157,054.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,694,252.40 : 970,106,487.90 = 561,600,810.40 : x
  2. Step 2: Convert to fraction form
    647,694,252.40/970,106,487.90 = 561,600,810.40/x
  3. Step 3: Cross multiply
    647,694,252.40x = 970,106,487.90 × 561,600,810.40
  4. Step 4: Simplify right side
    647,694,252.40x = 544,812,589,778,937,728
  5. Step 5: Solve for x
    x = 544,812,589,778,937,728/647,694,252.40
  6. Step 6: Final answer
    x = 841,157,054.83

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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.