Home / 482,355,009.40-723,532,514.10-298,688,999.80

Finding the Fourth Proportional to 482,355,009.40, 723,532,514.10 and 298,688,999.80

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Solution

The fourth proportional to 482,355,009.40, 723,532,514.10 and 298,688,999.80 is: 448,033,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,355,009.40 : 723,532,514.10 = 298,688,999.80 : x
  2. Step 2: Convert to fraction form
    482,355,009.40/723,532,514.10 = 298,688,999.80/x
  3. Step 3: Cross multiply
    482,355,009.40x = 723,532,514.10 × 298,688,999.80
  4. Step 4: Simplify right side
    482,355,009.40x = 216,111,202,959,308,416
  5. Step 5: Solve for x
    x = 216,111,202,959,308,416/482,355,009.40
  6. Step 6: Final answer
    x = 448,033,499.70

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Similar ratio
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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.