Home / 6,721,668,235.87-9,280,088,384.94-4,278,830,822.89

Finding the Fourth Proportional to 6,721,668,235.87, 9,280,088,384.94 and 4,278,830,822.89

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Solution

The fourth proportional to 6,721,668,235.87, 9,280,088,384.94 and 4,278,830,822.89 is: 5,907,451,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721,668,235.87 : 9,280,088,384.94 = 4,278,830,822.89 : x
  2. Step 2: Convert to fraction form
    6,721,668,235.87/9,280,088,384.94 = 4,278,830,822.89/x
  3. Step 3: Cross multiply
    6,721,668,235.87x = 9,280,088,384.94 × 4,278,830,822.89
  4. Step 4: Simplify right side
    6,721,668,235.87x = 39,707,928,220,624,748,544
  5. Step 5: Solve for x
    x = 39,707,928,220,624,748,544/6,721,668,235.87
  6. Step 6: Final answer
    x = 5,907,451,368.80

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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.