Home / 686,793,475.17-1,030,196,589.66-195,506,727.66

Finding the Fourth Proportional to 686,793,475.17, 1,030,196,589.66 and 195,506,727.66

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Solution

The fourth proportional to 686,793,475.17, 1,030,196,589.66 and 195,506,727.66 is: 293,261,906.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,793,475.17 : 1,030,196,589.66 = 195,506,727.66 : x
  2. Step 2: Convert to fraction form
    686,793,475.17/1,030,196,589.66 = 195,506,727.66/x
  3. Step 3: Cross multiply
    686,793,475.17x = 1,030,196,589.66 × 195,506,727.66
  4. Step 4: Simplify right side
    686,793,475.17x = 201,410,364,090,918,368
  5. Step 5: Solve for x
    x = 201,410,364,090,918,368/686,793,475.17
  6. Step 6: Final answer
    x = 293,261,906.78

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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.