Home / 1,721,872,478,149.90-2,376,256,208,832-990,261,455,954.15

Finding the Fourth Proportional to 1,721,872,478,149.90, 2,376,256,208,832 and 990,261,455,954.15

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Solution

The fourth proportional to 1,721,872,478,149.90, 2,376,256,208,832 and 990,261,455,954.15 is: 1,366,602,325,630.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,872,478,149.90 : 2,376,256,208,832 = 990,261,455,954.15 : x
  2. Step 2: Convert to fraction form
    1,721,872,478,149.90/2,376,256,208,832 = 990,261,455,954.15/x
  3. Step 3: Cross multiply
    1,721,872,478,149.90x = 2,376,256,208,832 × 990,261,455,954.15
  4. Step 4: Simplify right side
    1,721,872,478,149.90x = 2,353,114,933,078,065,080,696,832
  5. Step 5: Solve for x
    x = 2,353,114,933,078,065,080,696,832/1,721,872,478,149.90
  6. Step 6: Final answer
    x = 1,366,602,325,630.07

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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.