Home / 6,678,819,535.76-9,217,621,262.76-4,038,639,543.44

Finding the Fourth Proportional to 6,678,819,535.76, 9,217,621,262.76 and 4,038,639,543.44

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Solution

The fourth proportional to 6,678,819,535.76, 9,217,621,262.76 and 4,038,639,543.44 is: 5,573,836,742.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678,819,535.76 : 9,217,621,262.76 = 4,038,639,543.44 : x
  2. Step 2: Convert to fraction form
    6,678,819,535.76/9,217,621,262.76 = 4,038,639,543.44/x
  3. Step 3: Cross multiply
    6,678,819,535.76x = 9,217,621,262.76 × 4,038,639,543.44
  4. Step 4: Simplify right side
    6,678,819,535.76x = 37,226,649,728,235,880,448
  5. Step 5: Solve for x
    x = 37,226,649,728,235,880,448/6,678,819,535.76
  6. Step 6: Final answer
    x = 5,573,836,742.99

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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.