Home / 670,733,872.40-1,005,502,445.40-261,694,888.40

Finding the Fourth Proportional to 670,733,872.40, 1,005,502,445.40 and 261,694,888.40

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Solution

The fourth proportional to 670,733,872.40, 1,005,502,445.40 and 261,694,888.40 is: 392,308,874.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,733,872.40 : 1,005,502,445.40 = 261,694,888.40 : x
  2. Step 2: Convert to fraction form
    670,733,872.40/1,005,502,445.40 = 261,694,888.40/x
  3. Step 3: Cross multiply
    670,733,872.40x = 1,005,502,445.40 × 261,694,888.40
  4. Step 4: Simplify right side
    670,733,872.40x = 263,134,850,234,880,096
  5. Step 5: Solve for x
    x = 263,134,850,234,880,096/670,733,872.40
  6. Step 6: Final answer
    x = 392,308,874.00

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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.