Home / 971,035,339.40-1,456,553,009.10-675,128,990.60

Finding the Fourth Proportional to 971,035,339.40, 1,456,553,009.10 and 675,128,990.60

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Solution

The fourth proportional to 971,035,339.40, 1,456,553,009.10 and 675,128,990.60 is: 1,012,693,485.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,035,339.40 : 1,456,553,009.10 = 675,128,990.60 : x
  2. Step 2: Convert to fraction form
    971,035,339.40/1,456,553,009.10 = 675,128,990.60/x
  3. Step 3: Cross multiply
    971,035,339.40x = 1,456,553,009.10 × 675,128,990.60
  4. Step 4: Simplify right side
    971,035,339.40x = 983,361,162,789,075,584
  5. Step 5: Solve for x
    x = 983,361,162,789,075,584/971,035,339.40
  6. Step 6: Final answer
    x = 1,012,693,485.90

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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.