Home / 28,735,559,246.70-43,103,338,870.05-16,980,934,632.30

Finding the Fourth Proportional to 28,735,559,246.70, 43,103,338,870.05 and 16,980,934,632.30

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Solution

The fourth proportional to 28,735,559,246.70, 43,103,338,870.05 and 16,980,934,632.30 is: 25,471,401,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735,559,246.70 : 43,103,338,870.05 = 16,980,934,632.30 : x
  2. Step 2: Convert to fraction form
    28,735,559,246.70/43,103,338,870.05 = 16,980,934,632.30/x
  3. Step 3: Cross multiply
    28,735,559,246.70x = 43,103,338,870.05 × 16,980,934,632.30
  4. Step 4: Simplify right side
    28,735,559,246.70x = 731,934,979,786,194,812,928
  5. Step 5: Solve for x
    x = 731,934,979,786,194,812,928/28,735,559,246.70
  6. Step 6: Final answer
    x = 25,471,401,948.45

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Double scale
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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.