Home / 469,937,403.24-704,827,920.28-142,335,027.40

Finding the Fourth Proportional to 469,937,403.24, 704,827,920.28 and 142,335,027.40

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Solution

The fourth proportional to 469,937,403.24, 704,827,920.28 and 142,335,027.40 is: 213,478,860.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,937,403.24 : 704,827,920.28 = 142,335,027.40 : x
  2. Step 2: Convert to fraction form
    469,937,403.24/704,827,920.28 = 142,335,027.40/x
  3. Step 3: Cross multiply
    469,937,403.24x = 704,827,920.28 × 142,335,027.40
  4. Step 4: Simplify right side
    469,937,403.24x = 100,321,701,345,338,816
  5. Step 5: Solve for x
    x = 100,321,701,345,338,816/469,937,403.24
  6. Step 6: Final answer
    x = 213,478,860.49

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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.