Home / 18,762,640,345.45-28,148,724,275.60-8,685,618,194.17

Finding the Fourth Proportional to 18,762,640,345.45, 28,148,724,275.60 and 8,685,618,194.17

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Solution

The fourth proportional to 18,762,640,345.45, 28,148,724,275.60 and 8,685,618,194.17 is: 13,030,632,534.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,762,640,345.45 : 28,148,724,275.60 = 8,685,618,194.17 : x
  2. Step 2: Convert to fraction form
    18,762,640,345.45/28,148,724,275.60 = 8,685,618,194.17/x
  3. Step 3: Cross multiply
    18,762,640,345.45x = 28,148,724,275.60 × 8,685,618,194.17
  4. Step 4: Simplify right side
    18,762,640,345.45x = 244,489,071,710,826,102,784
  5. Step 5: Solve for x
    x = 244,489,071,710,826,102,784/18,762,640,345.45
  6. Step 6: Final answer
    x = 13,030,632,534.09

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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.