Home / 1,149,623,237.82-1,586,480,763.23-620,987,457.44

Finding the Fourth Proportional to 1,149,623,237.82, 1,586,480,763.23 and 620,987,457.44

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Solution

The fourth proportional to 1,149,623,237.82, 1,586,480,763.23 and 620,987,457.44 is: 856,963,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,623,237.82 : 1,586,480,763.23 = 620,987,457.44 : x
  2. Step 2: Convert to fraction form
    1,149,623,237.82/1,586,480,763.23 = 620,987,457.44/x
  3. Step 3: Cross multiply
    1,149,623,237.82x = 1,586,480,763.23 × 620,987,457.44
  4. Step 4: Simplify right side
    1,149,623,237.82x = 985,184,655,435,668,480
  5. Step 5: Solve for x
    x = 985,184,655,435,668,480/1,149,623,237.82
  6. Step 6: Final answer
    x = 856,963,066.70

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Double scale
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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.