Home / 1,119,744,900.60-1,679,617,350.90-689,166,007.80

Finding the Fourth Proportional to 1,119,744,900.60, 1,679,617,350.90 and 689,166,007.80

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Solution

The fourth proportional to 1,119,744,900.60, 1,679,617,350.90 and 689,166,007.80 is: 1,033,749,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,744,900.60 : 1,679,617,350.90 = 689,166,007.80 : x
  2. Step 2: Convert to fraction form
    1,119,744,900.60/1,679,617,350.90 = 689,166,007.80/x
  3. Step 3: Cross multiply
    1,119,744,900.60x = 1,679,617,350.90 × 689,166,007.80
  4. Step 4: Simplify right side
    1,119,744,900.60x = 1,157,535,184,351,364,608
  5. Step 5: Solve for x
    x = 1,157,535,184,351,364,608/1,119,744,900.60
  6. Step 6: Final answer
    x = 1,033,749,011.70

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1.5x scale

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.