Home / 488,543,881.40-732,815,822.10-216,446,089.40

Finding the Fourth Proportional to 488,543,881.40, 732,815,822.10 and 216,446,089.40

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Solution

The fourth proportional to 488,543,881.40, 732,815,822.10 and 216,446,089.40 is: 324,669,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,543,881.40 : 732,815,822.10 = 216,446,089.40 : x
  2. Step 2: Convert to fraction form
    488,543,881.40/732,815,822.10 = 216,446,089.40/x
  3. Step 3: Cross multiply
    488,543,881.40x = 732,815,822.10 × 216,446,089.40
  4. Step 4: Simplify right side
    488,543,881.40x = 158,615,118,943,991,104
  5. Step 5: Solve for x
    x = 158,615,118,943,991,104/488,543,881.40
  6. Step 6: Final answer
    x = 324,669,134.10

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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.