Home / 260,760,389,618.40-391,140,584,427.60-74,645,499,890.40

Finding the Fourth Proportional to 260,760,389,618.40, 391,140,584,427.60 and 74,645,499,890.40

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Solution

The fourth proportional to 260,760,389,618.40, 391,140,584,427.60 and 74,645,499,890.40 is: 111,968,249,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,760,389,618.40 : 391,140,584,427.60 = 74,645,499,890.40 : x
  2. Step 2: Convert to fraction form
    260,760,389,618.40/391,140,584,427.60 = 74,645,499,890.40/x
  3. Step 3: Cross multiply
    260,760,389,618.40x = 391,140,584,427.60 × 74,645,499,890.40
  4. Step 4: Simplify right side
    260,760,389,618.40x = 29,196,884,452,021,402,337,280
  5. Step 5: Solve for x
    x = 29,196,884,452,021,402,337,280/260,760,389,618.40
  6. Step 6: Final answer
    x = 111,968,249,835.60

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1.5x scale

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.