Home / 809,411,418.04-1,214,035,417.92-548,769,501.12

Finding the Fourth Proportional to 809,411,418.04, 1,214,035,417.92 and 548,769,501.12

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Solution

The fourth proportional to 809,411,418.04, 1,214,035,417.92 and 548,769,501.12 is: 823,098,854.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,411,418.04 : 1,214,035,417.92 = 548,769,501.12 : x
  2. Step 2: Convert to fraction form
    809,411,418.04/1,214,035,417.92 = 548,769,501.12/x
  3. Step 3: Cross multiply
    809,411,418.04x = 1,214,035,417.92 × 548,769,501.12
  4. Step 4: Simplify right side
    809,411,418.04x = 666,225,610,633,969,152
  5. Step 5: Solve for x
    x = 666,225,610,633,969,152/809,411,418.04
  6. Step 6: Final answer
    x = 823,098,854.04

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.