Home / 973,979,188.84-1,344,055,258.35-527,932,975.24

Finding the Fourth Proportional to 973,979,188.84, 1,344,055,258.35 and 527,932,975.24

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Solution

The fourth proportional to 973,979,188.84, 1,344,055,258.35 and 527,932,975.24 is: 728,527,980.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,979,188.84 : 1,344,055,258.35 = 527,932,975.24 : x
  2. Step 2: Convert to fraction form
    973,979,188.84/1,344,055,258.35 = 527,932,975.24/x
  3. Step 3: Cross multiply
    973,979,188.84x = 1,344,055,258.35 × 527,932,975.24
  4. Step 4: Simplify right side
    973,979,188.84x = 709,571,091,427,682,304
  5. Step 5: Solve for x
    x = 709,571,091,427,682,304/973,979,188.84
  6. Step 6: Final answer
    x = 728,527,980.43

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Double scale
Find fourth proportional to 973,979,189.84, 1,344,055,259.73 and 527,932,976.24
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.