Home / 782,406,573.60-1,173,609,860.40-237,077,248.80

Finding the Fourth Proportional to 782,406,573.60, 1,173,609,860.40 and 237,077,248.80

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Solution

The fourth proportional to 782,406,573.60, 1,173,609,860.40 and 237,077,248.80 is: 355,615,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,406,573.60 : 1,173,609,860.40 = 237,077,248.80 : x
  2. Step 2: Convert to fraction form
    782,406,573.60/1,173,609,860.40 = 237,077,248.80/x
  3. Step 3: Cross multiply
    782,406,573.60x = 1,173,609,860.40 × 237,077,248.80
  4. Step 4: Simplify right side
    782,406,573.60x = 278,236,196,868,184,096
  5. Step 5: Solve for x
    x = 278,236,196,868,184,096/782,406,573.60
  6. Step 6: Final answer
    x = 355,615,873.20

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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.