Home / 589,968,009.30-884,952,013.95-406,301,999.70

Finding the Fourth Proportional to 589,968,009.30, 884,952,013.95 and 406,301,999.70

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Solution

The fourth proportional to 589,968,009.30, 884,952,013.95 and 406,301,999.70 is: 609,452,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,968,009.30 : 884,952,013.95 = 406,301,999.70 : x
  2. Step 2: Convert to fraction form
    589,968,009.30/884,952,013.95 = 406,301,999.70/x
  3. Step 3: Cross multiply
    589,968,009.30x = 884,952,013.95 × 406,301,999.70
  4. Step 4: Simplify right side
    589,968,009.30x = 359,557,772,906,427,328
  5. Step 5: Solve for x
    x = 359,557,772,906,427,328/589,968,009.30
  6. Step 6: Final answer
    x = 609,452,999.55

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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.