Home / 930,528,000.30-1,395,792,000.45-839,828,736.30

Finding the Fourth Proportional to 930,528,000.30, 1,395,792,000.45 and 839,828,736.30

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Solution

The fourth proportional to 930,528,000.30, 1,395,792,000.45 and 839,828,736.30 is: 1,259,743,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,528,000.30 : 1,395,792,000.45 = 839,828,736.30 : x
  2. Step 2: Convert to fraction form
    930,528,000.30/1,395,792,000.45 = 839,828,736.30/x
  3. Step 3: Cross multiply
    930,528,000.30x = 1,395,792,000.45 × 839,828,736.30
  4. Step 4: Simplify right side
    930,528,000.30x = 1,172,226,231,875,572,480
  5. Step 5: Solve for x
    x = 1,172,226,231,875,572,480/930,528,000.30
  6. Step 6: Final answer
    x = 1,259,743,104.45

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Double scale
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Similar ratio
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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.