Home / 1,403,573,969,101.10-1,936,930,608,347.10-786,281,032,368.65

Finding the Fourth Proportional to 1,403,573,969,101.10, 1,936,930,608,347.10 and 786,281,032,368.65

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Solution

The fourth proportional to 1,403,573,969,101.10, 1,936,930,608,347.10 and 786,281,032,368.65 is: 1,085,067,001,729.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,573,969,101.10 : 1,936,930,608,347.10 = 786,281,032,368.65 : x
  2. Step 2: Convert to fraction form
    1,403,573,969,101.10/1,936,930,608,347.10 = 786,281,032,368.65/x
  3. Step 3: Cross multiply
    1,403,573,969,101.10x = 1,936,930,608,347.10 × 786,281,032,368.65
  4. Step 4: Simplify right side
    1,403,573,969,101.10x = 1,522,971,798,357,595,247,345,664
  5. Step 5: Solve for x
    x = 1,522,971,798,357,595,247,345,664/1,403,573,969,101.10
  6. Step 6: Final answer
    x = 1,085,067,001,729.14

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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.