Home / 19,431,176,390.40-29,146,764,366.90-4,709,197,808.40

Finding the Fourth Proportional to 19,431,176,390.40, 29,146,764,366.90 and 4,709,197,808.40

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Solution

The fourth proportional to 19,431,176,390.40, 29,146,764,366.90 and 4,709,197,808.40 is: 7,063,796,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431,176,390.40 : 29,146,764,366.90 = 4,709,197,808.40 : x
  2. Step 2: Convert to fraction form
    19,431,176,390.40/29,146,764,366.90 = 4,709,197,808.40/x
  3. Step 3: Cross multiply
    19,431,176,390.40x = 29,146,764,366.90 × 4,709,197,808.40
  4. Step 4: Simplify right side
    19,431,176,390.40x = 137,257,878,878,556,684,288
  5. Step 5: Solve for x
    x = 137,257,878,878,556,684,288/19,431,176,390.40
  6. Step 6: Final answer
    x = 7,063,796,659.60

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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.