Home / 1,241,567,998.20-1,861,680,150.90-514,630,193.40

Finding the Fourth Proportional to 1,241,567,998.20, 1,861,680,150.90 and 514,630,193.40

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Solution

The fourth proportional to 1,241,567,998.20, 1,861,680,150.90 and 514,630,193.40 is: 771,666,809.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,567,998.20 : 1,861,680,150.90 = 514,630,193.40 : x
  2. Step 2: Convert to fraction form
    1,241,567,998.20/1,861,680,150.90 = 514,630,193.40/x
  3. Step 3: Cross multiply
    1,241,567,998.20x = 1,861,680,150.90 × 514,630,193.40
  4. Step 4: Simplify right side
    1,241,567,998.20x = 958,076,816,106,608,128
  5. Step 5: Solve for x
    x = 958,076,816,106,608,128/1,241,567,998.20
  6. Step 6: Final answer
    x = 771,666,809.63

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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.