Home / 408,657,122.16-563,958,784.60-223,030,043.76

Finding the Fourth Proportional to 408,657,122.16, 563,958,784.60 and 223,030,043.76

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Solution

The fourth proportional to 408,657,122.16, 563,958,784.60 and 223,030,043.76 is: 307,787,985.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,657,122.16 : 563,958,784.60 = 223,030,043.76 : x
  2. Step 2: Convert to fraction form
    408,657,122.16/563,958,784.60 = 223,030,043.76/x
  3. Step 3: Cross multiply
    408,657,122.16x = 563,958,784.60 × 223,030,043.76
  4. Step 4: Simplify right side
    408,657,122.16x = 125,779,752,408,174,416
  5. Step 5: Solve for x
    x = 125,779,752,408,174,416/408,657,122.16
  6. Step 6: Final answer
    x = 307,787,985.54

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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.