Home / 1,547,336,540.70-2,321,004,811.05-772,495,562.70

Finding the Fourth Proportional to 1,547,336,540.70, 2,321,004,811.05 and 772,495,562.70

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Solution

The fourth proportional to 1,547,336,540.70, 2,321,004,811.05 and 772,495,562.70 is: 1,158,743,344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,336,540.70 : 2,321,004,811.05 = 772,495,562.70 : x
  2. Step 2: Convert to fraction form
    1,547,336,540.70/2,321,004,811.05 = 772,495,562.70/x
  3. Step 3: Cross multiply
    1,547,336,540.70x = 2,321,004,811.05 × 772,495,562.70
  4. Step 4: Simplify right side
    1,547,336,540.70x = 1,792,965,917,541,477,120
  5. Step 5: Solve for x
    x = 1,792,965,917,541,477,120/1,547,336,540.70
  6. Step 6: Final answer
    x = 1,158,743,344.05

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Double scale
Find fourth proportional to 1,547,336,541.70, 2,321,004,812.55 and 772,495,563.70
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1.5x scale

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.