Home / 7,020,578,973.50-9,688,523,815.23-3,805,594,260.02

Finding the Fourth Proportional to 7,020,578,973.50, 9,688,523,815.23 and 3,805,594,260.02

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Solution

The fourth proportional to 7,020,578,973.50, 9,688,523,815.23 and 3,805,594,260.02 is: 5,251,787,745.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,578,973.50 : 9,688,523,815.23 = 3,805,594,260.02 : x
  2. Step 2: Convert to fraction form
    7,020,578,973.50/9,688,523,815.23 = 3,805,594,260.02/x
  3. Step 3: Cross multiply
    7,020,578,973.50x = 9,688,523,815.23 × 3,805,594,260.02
  4. Step 4: Simplify right side
    7,020,578,973.50x = 36,870,590,619,306,356,736
  5. Step 5: Solve for x
    x = 36,870,590,619,306,356,736/7,020,578,973.50
  6. Step 6: Final answer
    x = 5,251,787,745.49

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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.