Home / 1,453,970,509.12-2,180,190,488.64-994,040,210.24

Finding the Fourth Proportional to 1,453,970,509.12, 2,180,190,488.64 and 994,040,210.24

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Solution

The fourth proportional to 1,453,970,509.12, 2,180,190,488.64 and 994,040,210.24 is: 1,490,537,117.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,970,509.12 : 2,180,190,488.64 = 994,040,210.24 : x
  2. Step 2: Convert to fraction form
    1,453,970,509.12/2,180,190,488.64 = 994,040,210.24/x
  3. Step 3: Cross multiply
    1,453,970,509.12x = 2,180,190,488.64 × 994,040,210.24
  4. Step 4: Simplify right side
    1,453,970,509.12x = 2,167,197,011,690,953,728
  5. Step 5: Solve for x
    x = 2,167,197,011,690,953,728/1,453,970,509.12
  6. Step 6: Final answer
    x = 1,490,537,117.57

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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.