Home / 686,793,475.67-1,030,196,590.41-195,506,728.16

Finding the Fourth Proportional to 686,793,475.67, 1,030,196,590.41 and 195,506,728.16

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Solution

The fourth proportional to 686,793,475.67, 1,030,196,590.41 and 195,506,728.16 is: 293,261,907.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,793,475.67 : 1,030,196,590.41 = 195,506,728.16 : x
  2. Step 2: Convert to fraction form
    686,793,475.67/1,030,196,590.41 = 195,506,728.16/x
  3. Step 3: Cross multiply
    686,793,475.67x = 1,030,196,590.41 × 195,506,728.16
  4. Step 4: Simplify right side
    686,793,475.67x = 201,410,364,752,646,720
  5. Step 5: Solve for x
    x = 201,410,364,752,646,720/686,793,475.67
  6. Step 6: Final answer
    x = 293,261,907.53

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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.