Home / 1,640,850,585.44-2,264,011,824.32-971,463,248.24

Finding the Fourth Proportional to 1,640,850,585.44, 2,264,011,824.32 and 971,463,248.24

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Solution

The fourth proportional to 1,640,850,585.44, 2,264,011,824.32 and 971,463,248.24 is: 1,340,404,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,850,585.44 : 2,264,011,824.32 = 971,463,248.24 : x
  2. Step 2: Convert to fraction form
    1,640,850,585.44/2,264,011,824.32 = 971,463,248.24/x
  3. Step 3: Cross multiply
    1,640,850,585.44x = 2,264,011,824.32 × 971,463,248.24
  4. Step 4: Simplify right side
    1,640,850,585.44x = 2,199,404,280,907,675,648
  5. Step 5: Solve for x
    x = 2,199,404,280,907,675,648/1,640,850,585.44
  6. Step 6: Final answer
    x = 1,340,404,970.70

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Double scale
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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.