Home / 528,768,348.12-793,287,066.42-310,603,200.84

Finding the Fourth Proportional to 528,768,348.12, 793,287,066.42 and 310,603,200.84

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Solution

The fourth proportional to 528,768,348.12, 793,287,066.42 and 310,603,200.84 is: 465,983,833.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,768,348.12 : 793,287,066.42 = 310,603,200.84 : x
  2. Step 2: Convert to fraction form
    528,768,348.12/793,287,066.42 = 310,603,200.84/x
  3. Step 3: Cross multiply
    528,768,348.12x = 793,287,066.42 × 310,603,200.84
  4. Step 4: Simplify right side
    528,768,348.12x = 246,397,502,015,025,632
  5. Step 5: Solve for x
    x = 246,397,502,015,025,632/528,768,348.12
  6. Step 6: Final answer
    x = 465,983,833.74

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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.