Home / 7,138,411,376.80-10,707,617,065.20-5,760,916,304.80

Finding the Fourth Proportional to 7,138,411,376.80, 10,707,617,065.20 and 5,760,916,304.80

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Solution

The fourth proportional to 7,138,411,376.80, 10,707,617,065.20 and 5,760,916,304.80 is: 8,641,374,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,411,376.80 : 10,707,617,065.20 = 5,760,916,304.80 : x
  2. Step 2: Convert to fraction form
    7,138,411,376.80/10,707,617,065.20 = 5,760,916,304.80/x
  3. Step 3: Cross multiply
    7,138,411,376.80x = 10,707,617,065.20 × 5,760,916,304.80
  4. Step 4: Simplify right side
    7,138,411,376.80x = 61,685,685,736,465,408,000
  5. Step 5: Solve for x
    x = 61,685,685,736,465,408,000/7,138,411,376.80
  6. Step 6: Final answer
    x = 8,641,374,457.20

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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.