Home / 896,870,485.80-1,345,305,728.70-413,141,077.80

Finding the Fourth Proportional to 896,870,485.80, 1,345,305,728.70 and 413,141,077.80

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Solution

The fourth proportional to 896,870,485.80, 1,345,305,728.70 and 413,141,077.80 is: 619,711,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,870,485.80 : 1,345,305,728.70 = 413,141,077.80 : x
  2. Step 2: Convert to fraction form
    896,870,485.80/1,345,305,728.70 = 413,141,077.80/x
  3. Step 3: Cross multiply
    896,870,485.80x = 1,345,305,728.70 × 413,141,077.80
  4. Step 4: Simplify right side
    896,870,485.80x = 555,801,058,725,632,448
  5. Step 5: Solve for x
    x = 555,801,058,725,632,448/896,870,485.80
  6. Step 6: Final answer
    x = 619,711,616.70

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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.