Home / 997,646,109.63-1,376,449,253.24-696,223,403.31

Finding the Fourth Proportional to 997,646,109.63, 1,376,449,253.24 and 696,223,403.31

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Solution

The fourth proportional to 997,646,109.63, 1,376,449,253.24 and 696,223,403.31 is: 960,577,277.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,646,109.63 : 1,376,449,253.24 = 696,223,403.31 : x
  2. Step 2: Convert to fraction form
    997,646,109.63/1,376,449,253.24 = 696,223,403.31/x
  3. Step 3: Cross multiply
    997,646,109.63x = 1,376,449,253.24 × 696,223,403.31
  4. Step 4: Simplify right side
    997,646,109.63x = 958,316,183,570,779,520
  5. Step 5: Solve for x
    x = 958,316,183,570,779,520/997,646,109.63
  6. Step 6: Final answer
    x = 960,577,277.17

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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.