Home / 2,234,485,280.10-3,351,727,920.15-1,989,118,970.40

Finding the Fourth Proportional to 2,234,485,280.10, 3,351,727,920.15 and 1,989,118,970.40

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Solution

The fourth proportional to 2,234,485,280.10, 3,351,727,920.15 and 1,989,118,970.40 is: 2,983,678,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,234,485,280.10 : 3,351,727,920.15 = 1,989,118,970.40 : x
  2. Step 2: Convert to fraction form
    2,234,485,280.10/3,351,727,920.15 = 1,989,118,970.40/x
  3. Step 3: Cross multiply
    2,234,485,280.10x = 3,351,727,920.15 × 1,989,118,970.40
  4. Step 4: Simplify right side
    2,234,485,280.10x = 6,666,985,589,589,701,632
  5. Step 5: Solve for x
    x = 6,666,985,589,589,701,632/2,234,485,280.10
  6. Step 6: Final answer
    x = 2,983,678,455.60

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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.