Home / 1,139,355,120.06-1,572,375,961.31-637,559,522.91

Finding the Fourth Proportional to 1,139,355,120.06, 1,572,375,961.31 and 637,559,522.91

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Solution

The fourth proportional to 1,139,355,120.06, 1,572,375,961.31 and 637,559,522.91 is: 879,869,015.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,355,120.06 : 1,572,375,961.31 = 637,559,522.91 : x
  2. Step 2: Convert to fraction form
    1,139,355,120.06/1,572,375,961.31 = 637,559,522.91/x
  3. Step 3: Cross multiply
    1,139,355,120.06x = 1,572,375,961.31 × 637,559,522.91
  4. Step 4: Simplify right side
    1,139,355,120.06x = 1,002,483,267,724,768,384
  5. Step 5: Solve for x
    x = 1,002,483,267,724,768,384/1,139,355,120.06
  6. Step 6: Final answer
    x = 879,869,015.44

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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.