Home / 1,889,613,821.20-2,834,420,731.80-528,005,117.20

Finding the Fourth Proportional to 1,889,613,821.20, 2,834,420,731.80 and 528,005,117.20

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Solution

The fourth proportional to 1,889,613,821.20, 2,834,420,731.80 and 528,005,117.20 is: 792,007,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,613,821.20 : 2,834,420,731.80 = 528,005,117.20 : x
  2. Step 2: Convert to fraction form
    1,889,613,821.20/2,834,420,731.80 = 528,005,117.20/x
  3. Step 3: Cross multiply
    1,889,613,821.20x = 2,834,420,731.80 × 528,005,117.20
  4. Step 4: Simplify right side
    1,889,613,821.20x = 1,496,588,650,688,168,960
  5. Step 5: Solve for x
    x = 1,496,588,650,688,168,960/1,889,613,821.20
  6. Step 6: Final answer
    x = 792,007,675.80

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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.