Home / 2,870,523,890.89-3,961,325,639.00-1,550,424,446.89

Finding the Fourth Proportional to 2,870,523,890.89, 3,961,325,639.00 and 1,550,424,446.89

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Solution

The fourth proportional to 2,870,523,890.89, 3,961,325,639.00 and 1,550,424,446.89 is: 2,139,587,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,523,890.89 : 3,961,325,639.00 = 1,550,424,446.89 : x
  2. Step 2: Convert to fraction form
    2,870,523,890.89/3,961,325,639.00 = 1,550,424,446.89/x
  3. Step 3: Cross multiply
    2,870,523,890.89x = 3,961,325,639.00 × 1,550,424,446.89
  4. Step 4: Simplify right side
    2,870,523,890.89x = 6,141,736,112,791,878,656
  5. Step 5: Solve for x
    x = 6,141,736,112,791,878,656/2,870,523,890.89
  6. Step 6: Final answer
    x = 2,139,587,178.59

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Double scale
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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.