Home / 1,172,775,402.04-1,617,686,343.64-720,455,435.32

Finding the Fourth Proportional to 1,172,775,402.04, 1,617,686,343.64 and 720,455,435.32

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Solution

The fourth proportional to 1,172,775,402.04, 1,617,686,343.64 and 720,455,435.32 is: 993,771,626.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,775,402.04 : 1,617,686,343.64 = 720,455,435.32 : x
  2. Step 2: Convert to fraction form
    1,172,775,402.04/1,617,686,343.64 = 720,455,435.32/x
  3. Step 3: Cross multiply
    1,172,775,402.04x = 1,617,686,343.64 × 720,455,435.32
  4. Step 4: Simplify right side
    1,172,775,402.04x = 1,165,470,918,918,375,424
  5. Step 5: Solve for x
    x = 1,165,470,918,918,375,424/1,172,775,402.04
  6. Step 6: Final answer
    x = 993,771,626.60

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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.