Home / 1,313,709,927.21-1,812,924,502.38-710,880,553.26

Finding the Fourth Proportional to 1,313,709,927.21, 1,812,924,502.38 and 710,880,553.26

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Solution

The fourth proportional to 1,313,709,927.21, 1,812,924,502.38 and 710,880,553.26 is: 981,017,762.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,709,927.21 : 1,812,924,502.38 = 710,880,553.26 : x
  2. Step 2: Convert to fraction form
    1,313,709,927.21/1,812,924,502.38 = 710,880,553.26/x
  3. Step 3: Cross multiply
    1,313,709,927.21x = 1,812,924,502.38 × 710,880,553.26
  4. Step 4: Simplify right side
    1,313,709,927.21x = 1,288,772,773,270,504,704
  5. Step 5: Solve for x
    x = 1,288,772,773,270,504,704/1,313,709,927.21
  6. Step 6: Final answer
    x = 981,017,762.43

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Double scale
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1.5x scale

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.