Home / 974,994,890.74-1,345,495,504.34-528,958,230.90

Finding the Fourth Proportional to 974,994,890.74, 1,345,495,504.34 and 528,958,230.90

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Solution

The fourth proportional to 974,994,890.74, 1,345,495,504.34 and 528,958,230.90 is: 729,963,744.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,994,890.74 : 1,345,495,504.34 = 528,958,230.90 : x
  2. Step 2: Convert to fraction form
    974,994,890.74/1,345,495,504.34 = 528,958,230.90/x
  3. Step 3: Cross multiply
    974,994,890.74x = 1,345,495,504.34 × 528,958,230.90
  4. Step 4: Simplify right side
    974,994,890.74x = 711,710,921,659,589,632
  5. Step 5: Solve for x
    x = 711,710,921,659,589,632/974,994,890.74
  6. Step 6: Final answer
    x = 729,963,744.86

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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.