Home / 736,988,894.40-1,105,483,341.60-349,568,405.40

Finding the Fourth Proportional to 736,988,894.40, 1,105,483,341.60 and 349,568,405.40

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Solution

The fourth proportional to 736,988,894.40, 1,105,483,341.60 and 349,568,405.40 is: 524,352,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,988,894.40 : 1,105,483,341.60 = 349,568,405.40 : x
  2. Step 2: Convert to fraction form
    736,988,894.40/1,105,483,341.60 = 349,568,405.40/x
  3. Step 3: Cross multiply
    736,988,894.40x = 1,105,483,341.60 × 349,568,405.40
  4. Step 4: Simplify right side
    736,988,894.40x = 386,442,048,919,375,424
  5. Step 5: Solve for x
    x = 386,442,048,919,375,424/736,988,894.40
  6. Step 6: Final answer
    x = 524,352,608.10

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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.