Home / 906,880,901.60-1,360,321,352.40-293,527,128.80

Finding the Fourth Proportional to 906,880,901.60, 1,360,321,352.40 and 293,527,128.80

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Solution

The fourth proportional to 906,880,901.60, 1,360,321,352.40 and 293,527,128.80 is: 440,290,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,880,901.60 : 1,360,321,352.40 = 293,527,128.80 : x
  2. Step 2: Convert to fraction form
    906,880,901.60/1,360,321,352.40 = 293,527,128.80/x
  3. Step 3: Cross multiply
    906,880,901.60x = 1,360,321,352.40 × 293,527,128.80
  4. Step 4: Simplify right side
    906,880,901.60x = 399,291,220,815,305,024
  5. Step 5: Solve for x
    x = 399,291,220,815,305,024/906,880,901.60
  6. Step 6: Final answer
    x = 440,290,693.20

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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.