Home / 689,495,523.80-1,034,243,285.70-603,402,081.80

Finding the Fourth Proportional to 689,495,523.80, 1,034,243,285.70 and 603,402,081.80

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Solution

The fourth proportional to 689,495,523.80, 1,034,243,285.70 and 603,402,081.80 is: 905,103,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,495,523.80 : 1,034,243,285.70 = 603,402,081.80 : x
  2. Step 2: Convert to fraction form
    689,495,523.80/1,034,243,285.70 = 603,402,081.80/x
  3. Step 3: Cross multiply
    689,495,523.80x = 1,034,243,285.70 × 603,402,081.80
  4. Step 4: Simplify right side
    689,495,523.80x = 624,064,551,679,052,160
  5. Step 5: Solve for x
    x = 624,064,551,679,052,160/689,495,523.80
  6. Step 6: Final answer
    x = 905,103,122.70

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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.