Home / 7,243,345,871.70-10,865,018,807.55-2,585,371,794.90

Finding the Fourth Proportional to 7,243,345,871.70, 10,865,018,807.55 and 2,585,371,794.90

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Solution

The fourth proportional to 7,243,345,871.70, 10,865,018,807.55 and 2,585,371,794.90 is: 3,878,057,692.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,345,871.70 : 10,865,018,807.55 = 2,585,371,794.90 : x
  2. Step 2: Convert to fraction form
    7,243,345,871.70/10,865,018,807.55 = 2,585,371,794.90/x
  3. Step 3: Cross multiply
    7,243,345,871.70x = 10,865,018,807.55 × 2,585,371,794.90
  4. Step 4: Simplify right side
    7,243,345,871.70x = 28,090,113,176,097,800,192
  5. Step 5: Solve for x
    x = 28,090,113,176,097,800,192/7,243,345,871.70
  6. Step 6: Final answer
    x = 3,878,057,692.35

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Double scale
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Similar ratio
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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.