Home / 1,619,330,319.36-2,429,144,801.28-528,819,102.72

Finding the Fourth Proportional to 1,619,330,319.36, 2,429,144,801.28 and 528,819,102.72

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Solution

The fourth proportional to 1,619,330,319.36, 2,429,144,801.28 and 528,819,102.72 is: 793,277,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,330,319.36 : 2,429,144,801.28 = 528,819,102.72 : x
  2. Step 2: Convert to fraction form
    1,619,330,319.36/2,429,144,801.28 = 528,819,102.72/x
  3. Step 3: Cross multiply
    1,619,330,319.36x = 2,429,144,801.28 × 528,819,102.72
  4. Step 4: Simplify right side
    1,619,330,319.36x = 1,284,578,174,189,842,432
  5. Step 5: Solve for x
    x = 1,284,578,174,189,842,432/1,619,330,319.36
  6. Step 6: Final answer
    x = 793,277,417.73

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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.