Home / 1,422,278,184,830.90-1,962,745,347,674.20-771,956,902,530.10

Finding the Fourth Proportional to 1,422,278,184,830.90, 1,962,745,347,674.20 and 771,956,902,530.10

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Solution

The fourth proportional to 1,422,278,184,830.90, 1,962,745,347,674.20 and 771,956,902,530.10 is: 1,065,301,313,910.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,278,184,830.90 : 1,962,745,347,674.20 = 771,956,902,530.10 : x
  2. Step 2: Convert to fraction form
    1,422,278,184,830.90/1,962,745,347,674.20 = 771,956,902,530.10/x
  3. Step 3: Cross multiply
    1,422,278,184,830.90x = 1,962,745,347,674.20 × 771,956,902,530.10
  4. Step 4: Simplify right side
    1,422,278,184,830.90x = 1,515,154,819,045,939,673,563,136
  5. Step 5: Solve for x
    x = 1,515,154,819,045,939,673,563,136/1,422,278,184,830.90
  6. Step 6: Final answer
    x = 1,065,301,313,910.04

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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.