Home / 584,387,661.90-806,455,759.47-316,463,961.70

Finding the Fourth Proportional to 584,387,661.90, 806,455,759.47 and 316,463,961.70

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Solution

The fourth proportional to 584,387,661.90, 806,455,759.47 and 316,463,961.70 is: 436,720,692.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,387,661.90 : 806,455,759.47 = 316,463,961.70 : x
  2. Step 2: Convert to fraction form
    584,387,661.90/806,455,759.47 = 316,463,961.70/x
  3. Step 3: Cross multiply
    584,387,661.90x = 806,455,759.47 × 316,463,961.70
  4. Step 4: Simplify right side
    584,387,661.90x = 255,214,184,575,642,368
  5. Step 5: Solve for x
    x = 255,214,184,575,642,368/584,387,661.90
  6. Step 6: Final answer
    x = 436,720,692.81

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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.