Home / 10,085,639,405.76-15,151,417,407.36-7,296,211,880.64

Finding the Fourth Proportional to 10,085,639,405.76, 15,151,417,407.36 and 7,296,211,880.64

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Solution

The fourth proportional to 10,085,639,405.76, 15,151,417,407.36 and 7,296,211,880.64 is: 10,960,926,446.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085,639,405.76 : 15,151,417,407.36 = 7,296,211,880.64 : x
  2. Step 2: Convert to fraction form
    10,085,639,405.76/15,151,417,407.36 = 7,296,211,880.64/x
  3. Step 3: Cross multiply
    10,085,639,405.76x = 15,151,417,407.36 × 7,296,211,880.64
  4. Step 4: Simplify right side
    10,085,639,405.76x = 110,547,951,696,115,744,768
  5. Step 5: Solve for x
    x = 110,547,951,696,115,744,768/10,085,639,405.76
  6. Step 6: Final answer
    x = 10,960,926,446.86

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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.