Home / 1,242,973,387,720.30-1,715,285,169,181.90-694,272,500,439.30

Finding the Fourth Proportional to 1,242,973,387,720.30, 1,715,285,169,181.90 and 694,272,500,439.30

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Solution

The fourth proportional to 1,242,973,387,720.30, 1,715,285,169,181.90 and 694,272,500,439.30 is: 958,085,937,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,973,387,720.30 : 1,715,285,169,181.90 = 694,272,500,439.30 : x
  2. Step 2: Convert to fraction form
    1,242,973,387,720.30/1,715,285,169,181.90 = 694,272,500,439.30/x
  3. Step 3: Cross multiply
    1,242,973,387,720.30x = 1,715,285,169,181.90 × 694,272,500,439.30
  4. Step 4: Simplify right side
    1,242,973,387,720.30x = 1,190,875,323,374,365,506,011,136
  5. Step 5: Solve for x
    x = 1,190,875,323,374,365,506,011,136/1,242,973,387,720.30
  6. Step 6: Final answer
    x = 958,085,937,429.85

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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.