Home / 264,688,210.90-397,032,316.35-80,455,330.90

Finding the Fourth Proportional to 264,688,210.90, 397,032,316.35 and 80,455,330.90

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Solution

The fourth proportional to 264,688,210.90, 397,032,316.35 and 80,455,330.90 is: 120,682,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,688,210.90 : 397,032,316.35 = 80,455,330.90 : x
  2. Step 2: Convert to fraction form
    264,688,210.90/397,032,316.35 = 80,455,330.90/x
  3. Step 3: Cross multiply
    264,688,210.90x = 397,032,316.35 × 80,455,330.90
  4. Step 4: Simplify right side
    264,688,210.90x = 31,943,366,389,932,736
  5. Step 5: Solve for x
    x = 31,943,366,389,932,736/264,688,210.90
  6. Step 6: Final answer
    x = 120,682,996.35

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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.