Home / 424,890,041.06-637,305,807.74-261,153,068.96

Finding the Fourth Proportional to 424,890,041.06, 637,305,807.74 and 261,153,068.96

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Solution

The fourth proportional to 424,890,041.06, 637,305,807.74 and 261,153,068.96 is: 391,711,622.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,890,041.06 : 637,305,807.74 = 261,153,068.96 : x
  2. Step 2: Convert to fraction form
    424,890,041.06/637,305,807.74 = 261,153,068.96/x
  3. Step 3: Cross multiply
    424,890,041.06x = 637,305,807.74 × 261,153,068.96
  4. Step 4: Simplify right side
    424,890,041.06x = 166,434,367,557,620,224
  5. Step 5: Solve for x
    x = 166,434,367,557,620,224/424,890,041.06
  6. Step 6: Final answer
    x = 391,711,622.94

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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.