Home / 465,196,846.80-641,975,894.28-256,360,482.48

Finding the Fourth Proportional to 465,196,846.80, 641,975,894.28 and 256,360,482.48

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Solution

The fourth proportional to 465,196,846.80, 641,975,894.28 and 256,360,482.48 is: 353,779,805.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,196,846.80 : 641,975,894.28 = 256,360,482.48 : x
  2. Step 2: Convert to fraction form
    465,196,846.80/641,975,894.28 = 256,360,482.48/x
  3. Step 3: Cross multiply
    465,196,846.80x = 641,975,894.28 × 256,360,482.48
  4. Step 4: Simplify right side
    465,196,846.80x = 164,577,249,998,150,272
  5. Step 5: Solve for x
    x = 164,577,249,998,150,272/465,196,846.80
  6. Step 6: Final answer
    x = 353,779,805.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.