Home / 1,077,526,266.40-1,616,289,399.60-387,456,032.80

Finding the Fourth Proportional to 1,077,526,266.40, 1,616,289,399.60 and 387,456,032.80

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Solution

The fourth proportional to 1,077,526,266.40, 1,616,289,399.60 and 387,456,032.80 is: 581,184,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,526,266.40 : 1,616,289,399.60 = 387,456,032.80 : x
  2. Step 2: Convert to fraction form
    1,077,526,266.40/1,616,289,399.60 = 387,456,032.80/x
  3. Step 3: Cross multiply
    1,077,526,266.40x = 1,616,289,399.60 × 387,456,032.80
  4. Step 4: Simplify right side
    1,077,526,266.40x = 626,241,078,625,709,952
  5. Step 5: Solve for x
    x = 626,241,078,625,709,952/1,077,526,266.40
  6. Step 6: Final answer
    x = 581,184,049.20

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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.