Home / 1,018,933,435.19-1,528,147,718.28-436,601,645.03

Finding the Fourth Proportional to 1,018,933,435.19, 1,528,147,718.28 and 436,601,645.03

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Solution

The fourth proportional to 1,018,933,435.19, 1,528,147,718.28 and 436,601,645.03 is: 654,794,302.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,933,435.19 : 1,528,147,718.28 = 436,601,645.03 : x
  2. Step 2: Convert to fraction form
    1,018,933,435.19/1,528,147,718.28 = 436,601,645.03/x
  3. Step 3: Cross multiply
    1,018,933,435.19x = 1,528,147,718.28 × 436,601,645.03
  4. Step 4: Simplify right side
    1,018,933,435.19x = 667,191,807,653,709,440
  5. Step 5: Solve for x
    x = 667,191,807,653,709,440/1,018,933,435.19
  6. Step 6: Final answer
    x = 654,794,302.17

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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.