Home / 1,023,302,334.72-1,412,161,476-553,403,655.36

Finding the Fourth Proportional to 1,023,302,334.72, 1,412,161,476 and 553,403,655.36

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Solution

The fourth proportional to 1,023,302,334.72, 1,412,161,476 and 553,403,655.36 is: 763,699,345.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,302,334.72 : 1,412,161,476 = 553,403,655.36 : x
  2. Step 2: Convert to fraction form
    1,023,302,334.72/1,412,161,476 = 553,403,655.36/x
  3. Step 3: Cross multiply
    1,023,302,334.72x = 1,412,161,476 × 553,403,655.36
  4. Step 4: Simplify right side
    1,023,302,334.72x = 781,495,322,776,972,928
  5. Step 5: Solve for x
    x = 781,495,322,776,972,928/1,023,302,334.72
  6. Step 6: Final answer
    x = 763,699,345.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.