Home / 528,768,351.12-793,287,070.92-310,603,203.84

Finding the Fourth Proportional to 528,768,351.12, 793,287,070.92 and 310,603,203.84

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Solution

The fourth proportional to 528,768,351.12, 793,287,070.92 and 310,603,203.84 is: 465,983,838.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,768,351.12 : 793,287,070.92 = 310,603,203.84 : x
  2. Step 2: Convert to fraction form
    528,768,351.12/793,287,070.92 = 310,603,203.84/x
  3. Step 3: Cross multiply
    528,768,351.12x = 793,287,070.92 × 310,603,203.84
  4. Step 4: Simplify right side
    528,768,351.12x = 246,397,505,792,601,248
  5. Step 5: Solve for x
    x = 246,397,505,792,601,248/528,768,351.12
  6. Step 6: Final answer
    x = 465,983,838.24

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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.