Home / 849,961,718.82-1,273,975,455.96-517,234,886.10

Finding the Fourth Proportional to 849,961,718.82, 1,273,975,455.96 and 517,234,886.10

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Solution

The fourth proportional to 849,961,718.82, 1,273,975,455.96 and 517,234,886.10 is: 775,263,797.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,961,718.82 : 1,273,975,455.96 = 517,234,886.10 : x
  2. Step 2: Convert to fraction form
    849,961,718.82/1,273,975,455.96 = 517,234,886.10/x
  3. Step 3: Cross multiply
    849,961,718.82x = 1,273,975,455.96 × 517,234,886.10
  4. Step 4: Simplify right side
    849,961,718.82x = 658,944,549,857,666,176
  5. Step 5: Solve for x
    x = 658,944,549,857,666,176/849,961,718.82
  6. Step 6: Final answer
    x = 775,263,797.49

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Double scale
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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.