Home / 7,243,344,219.70-10,865,016,329.55-2,585,370,142.90

Finding the Fourth Proportional to 7,243,344,219.70, 10,865,016,329.55 and 2,585,370,142.90

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Solution

The fourth proportional to 7,243,344,219.70, 10,865,016,329.55 and 2,585,370,142.90 is: 3,878,055,214.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,344,219.70 : 10,865,016,329.55 = 2,585,370,142.90 : x
  2. Step 2: Convert to fraction form
    7,243,344,219.70/10,865,016,329.55 = 2,585,370,142.90/x
  3. Step 3: Cross multiply
    7,243,344,219.70x = 10,865,016,329.55 × 2,585,370,142.90
  4. Step 4: Simplify right side
    7,243,344,219.70x = 28,090,088,820,539,514,880
  5. Step 5: Solve for x
    x = 28,090,088,820,539,514,880/7,243,344,219.70
  6. Step 6: Final answer
    x = 3,878,055,214.35

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Double scale
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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.