Home / 264,688,230.40-397,032,345.60-80,455,350.40

Finding the Fourth Proportional to 264,688,230.40, 397,032,345.60 and 80,455,350.40

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Solution

The fourth proportional to 264,688,230.40, 397,032,345.60 and 80,455,350.40 is: 120,683,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,688,230.40 : 397,032,345.60 = 80,455,350.40 : x
  2. Step 2: Convert to fraction form
    264,688,230.40/397,032,345.60 = 80,455,350.40/x
  3. Step 3: Cross multiply
    264,688,230.40x = 397,032,345.60 × 80,455,350.40
  4. Step 4: Simplify right side
    264,688,230.40x = 31,943,376,485,381,904
  5. Step 5: Solve for x
    x = 31,943,376,485,381,904/264,688,230.40
  6. Step 6: Final answer
    x = 120,683,025.60

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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.