Home / 859,152,368.60-1,288,728,552.90-313,823,043.80

Finding the Fourth Proportional to 859,152,368.60, 1,288,728,552.90 and 313,823,043.80

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Solution

The fourth proportional to 859,152,368.60, 1,288,728,552.90 and 313,823,043.80 is: 470,734,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,152,368.60 : 1,288,728,552.90 = 313,823,043.80 : x
  2. Step 2: Convert to fraction form
    859,152,368.60/1,288,728,552.90 = 313,823,043.80/x
  3. Step 3: Cross multiply
    859,152,368.60x = 1,288,728,552.90 × 313,823,043.80
  4. Step 4: Simplify right side
    859,152,368.60x = 404,432,717,103,047,360
  5. Step 5: Solve for x
    x = 404,432,717,103,047,360/859,152,368.60
  6. Step 6: Final answer
    x = 470,734,565.70

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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.