Home / 1,640,850,577.44-2,264,011,813.28-971,463,240.24

Finding the Fourth Proportional to 1,640,850,577.44, 2,264,011,813.28 and 971,463,240.24

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Solution

The fourth proportional to 1,640,850,577.44, 2,264,011,813.28 and 971,463,240.24 is: 1,340,404,959.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,850,577.44 : 2,264,011,813.28 = 971,463,240.24 : x
  2. Step 2: Convert to fraction form
    1,640,850,577.44/2,264,011,813.28 = 971,463,240.24/x
  3. Step 3: Cross multiply
    1,640,850,577.44x = 2,264,011,813.28 × 971,463,240.24
  4. Step 4: Simplify right side
    1,640,850,577.44x = 2,199,404,252,070,626,816
  5. Step 5: Solve for x
    x = 2,199,404,252,070,626,816/1,640,850,577.44
  6. Step 6: Final answer
    x = 1,340,404,959.67

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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.