Home / 1,528,009,715.20-2,292,014,572.80-437,492,783.20

Finding the Fourth Proportional to 1,528,009,715.20, 2,292,014,572.80 and 437,492,783.20

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Solution

The fourth proportional to 1,528,009,715.20, 2,292,014,572.80 and 437,492,783.20 is: 656,239,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,009,715.20 : 2,292,014,572.80 = 437,492,783.20 : x
  2. Step 2: Convert to fraction form
    1,528,009,715.20/2,292,014,572.80 = 437,492,783.20/x
  3. Step 3: Cross multiply
    1,528,009,715.20x = 2,292,014,572.80 × 437,492,783.20
  4. Step 4: Simplify right side
    1,528,009,715.20x = 1,002,739,834,589,231,104
  5. Step 5: Solve for x
    x = 1,002,739,834,589,231,104/1,528,009,715.20
  6. Step 6: Final answer
    x = 656,239,174.80

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Double scale
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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.