Home / 1,087,554,090.34-1,501,004,637.87-641,626,474.33

Finding the Fourth Proportional to 1,087,554,090.34, 1,501,004,637.87 and 641,626,474.33

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Solution

The fourth proportional to 1,087,554,090.34, 1,501,004,637.87 and 641,626,474.33 is: 885,550,725.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,554,090.34 : 1,501,004,637.87 = 641,626,474.33 : x
  2. Step 2: Convert to fraction form
    1,087,554,090.34/1,501,004,637.87 = 641,626,474.33/x
  3. Step 3: Cross multiply
    1,087,554,090.34x = 1,501,004,637.87 × 641,626,474.33
  4. Step 4: Simplify right side
    1,087,554,090.34x = 963,084,313,749,234,304
  5. Step 5: Solve for x
    x = 963,084,313,749,234,304/1,087,554,090.34
  6. Step 6: Final answer
    x = 885,550,725.53

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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.