Home / 1,335,234,512.84-1,842,379,989.02-770,513,376.16

Finding the Fourth Proportional to 1,335,234,512.84, 1,842,379,989.02 and 770,513,376.16

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Solution

The fourth proportional to 1,335,234,512.84, 1,842,379,989.02 and 770,513,376.16 is: 1,063,167,864.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,234,512.84 : 1,842,379,989.02 = 770,513,376.16 : x
  2. Step 2: Convert to fraction form
    1,335,234,512.84/1,842,379,989.02 = 770,513,376.16/x
  3. Step 3: Cross multiply
    1,335,234,512.84x = 1,842,379,989.02 × 770,513,376.16
  4. Step 4: Simplify right side
    1,335,234,512.84x = 1,419,578,425,500,965,632
  5. Step 5: Solve for x
    x = 1,419,578,425,500,965,632/1,335,234,512.84
  6. Step 6: Final answer
    x = 1,063,167,864.41

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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.