Home / 6,439,348,294.72-8,880,305,314.01-4,178,870,810.31

Finding the Fourth Proportional to 6,439,348,294.72, 8,880,305,314.01 and 4,178,870,810.31

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Solution

The fourth proportional to 6,439,348,294.72, 8,880,305,314.01 and 4,178,870,810.31 is: 5,762,950,995.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,348,294.72 : 8,880,305,314.01 = 4,178,870,810.31 : x
  2. Step 2: Convert to fraction form
    6,439,348,294.72/8,880,305,314.01 = 4,178,870,810.31/x
  3. Step 3: Cross multiply
    6,439,348,294.72x = 8,880,305,314.01 × 4,178,870,810.31
  4. Step 4: Simplify right side
    6,439,348,294.72x = 37,109,648,663,353,720,832
  5. Step 5: Solve for x
    x = 37,109,648,663,353,720,832/6,439,348,294.72
  6. Step 6: Final answer
    x = 5,762,950,995.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.