Home / 528,768,015.60-793,152,023.40-492,936,207.60

Finding the Fourth Proportional to 528,768,015.60, 793,152,023.40 and 492,936,207.60

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Solution

The fourth proportional to 528,768,015.60, 793,152,023.40 and 492,936,207.60 is: 739,404,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,768,015.60 : 793,152,023.40 = 492,936,207.60 : x
  2. Step 2: Convert to fraction form
    528,768,015.60/793,152,023.40 = 492,936,207.60/x
  3. Step 3: Cross multiply
    528,768,015.60x = 793,152,023.40 × 492,936,207.60
  4. Step 4: Simplify right side
    528,768,015.60x = 390,973,350,465,062,464
  5. Step 5: Solve for x
    x = 390,973,350,465,062,464/528,768,015.60
  6. Step 6: Final answer
    x = 739,404,311.40

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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.