Home / 833,289,661.10-1,249,938,668.64-211,505,077.94

Finding the Fourth Proportional to 833,289,661.10, 1,249,938,668.64 and 211,505,077.94

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Solution

The fourth proportional to 833,289,661.10, 1,249,938,668.64 and 211,505,077.94 is: 317,258,677.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,289,661.10 : 1,249,938,668.64 = 211,505,077.94 : x
  2. Step 2: Convert to fraction form
    833,289,661.10/1,249,938,668.64 = 211,505,077.94/x
  3. Step 3: Cross multiply
    833,289,661.10x = 1,249,938,668.64 × 211,505,077.94
  4. Step 4: Simplify right side
    833,289,661.10x = 264,368,375,524,673,376
  5. Step 5: Solve for x
    x = 264,368,375,524,673,376/833,289,661.10
  6. Step 6: Final answer
    x = 317,258,677.11

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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.