Home / 1,242,973,387,707.50-1,715,285,169,164.40-694,272,500,426.55

Finding the Fourth Proportional to 1,242,973,387,707.50, 1,715,285,169,164.40 and 694,272,500,426.55

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Solution

The fourth proportional to 1,242,973,387,707.50, 1,715,285,169,164.40 and 694,272,500,426.55 is: 958,085,937,412.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,973,387,707.50 : 1,715,285,169,164.40 = 694,272,500,426.55 : x
  2. Step 2: Convert to fraction form
    1,242,973,387,707.50/1,715,285,169,164.40 = 694,272,500,426.55/x
  3. Step 3: Cross multiply
    1,242,973,387,707.50x = 1,715,285,169,164.40 × 694,272,500,426.55
  4. Step 4: Simplify right side
    1,242,973,387,707.50x = 1,190,875,323,340,345,741,148,160
  5. Step 5: Solve for x
    x = 1,190,875,323,340,345,741,148,160/1,242,973,387,707.50
  6. Step 6: Final answer
    x = 958,085,937,412.35

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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.