Home / 971,035,340.40-1,456,553,010.60-675,128,991.60

Finding the Fourth Proportional to 971,035,340.40, 1,456,553,010.60 and 675,128,991.60

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Solution

The fourth proportional to 971,035,340.40, 1,456,553,010.60 and 675,128,991.60 is: 1,012,693,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,035,340.40 : 1,456,553,010.60 = 675,128,991.60 : x
  2. Step 2: Convert to fraction form
    971,035,340.40/1,456,553,010.60 = 675,128,991.60/x
  3. Step 3: Cross multiply
    971,035,340.40x = 1,456,553,010.60 × 675,128,991.60
  4. Step 4: Simplify right side
    971,035,340.40x = 983,361,165,258,322,048
  5. Step 5: Solve for x
    x = 983,361,165,258,322,048/971,035,340.40
  6. Step 6: Final answer
    x = 1,012,693,487.40

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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.