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Finding the Fourth Proportional to 604,990,765.60, 907,486,148.40 and 591,553,837.60

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Solution

The fourth proportional to 604,990,765.60, 907,486,148.40 and 591,553,837.60 is: 887,330,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,990,765.60 : 907,486,148.40 = 591,553,837.60 : x
  2. Step 2: Convert to fraction form
    604,990,765.60/907,486,148.40 = 591,553,837.60/x
  3. Step 3: Cross multiply
    604,990,765.60x = 907,486,148.40 × 591,553,837.60
  4. Step 4: Simplify right side
    604,990,765.60x = 536,826,913,654,863,104
  5. Step 5: Solve for x
    x = 536,826,913,654,863,104/604,990,765.60
  6. Step 6: Final answer
    x = 887,330,756.40

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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.