Home / 689,496,656.80-1,034,244,985.20-603,403,214.80

Finding the Fourth Proportional to 689,496,656.80, 1,034,244,985.20 and 603,403,214.80

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Solution

The fourth proportional to 689,496,656.80, 1,034,244,985.20 and 603,403,214.80 is: 905,104,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,496,656.80 : 1,034,244,985.20 = 603,403,214.80 : x
  2. Step 2: Convert to fraction form
    689,496,656.80/1,034,244,985.20 = 603,403,214.80/x
  3. Step 3: Cross multiply
    689,496,656.80x = 1,034,244,985.20 × 603,403,214.80
  4. Step 4: Simplify right side
    689,496,656.80x = 624,066,748,960,458,368
  5. Step 5: Solve for x
    x = 624,066,748,960,458,368/689,496,656.80
  6. Step 6: Final answer
    x = 905,104,822.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.