Home / 1,087,554,066.11-1,501,004,604.39-641,626,450.10

Finding the Fourth Proportional to 1,087,554,066.11, 1,501,004,604.39 and 641,626,450.10

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Solution

The fourth proportional to 1,087,554,066.11, 1,501,004,604.39 and 641,626,450.10 is: 885,550,692.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,554,066.11 : 1,501,004,604.39 = 641,626,450.10 : x
  2. Step 2: Convert to fraction form
    1,087,554,066.11/1,501,004,604.39 = 641,626,450.10/x
  3. Step 3: Cross multiply
    1,087,554,066.11x = 1,501,004,604.39 × 641,626,450.10
  4. Step 4: Simplify right side
    1,087,554,066.11x = 963,084,255,897,838,464
  5. Step 5: Solve for x
    x = 963,084,255,897,838,464/1,087,554,066.11
  6. Step 6: Final answer
    x = 885,550,692.06

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Half scale
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Double scale
Find fourth proportional to 1,087,554,067.11, 1,501,004,605.77 and 641,626,451.10
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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.