Home / 838,986,044.40-1,258,479,066.60-533,631,855.60

Finding the Fourth Proportional to 838,986,044.40, 1,258,479,066.60 and 533,631,855.60

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Solution

The fourth proportional to 838,986,044.40, 1,258,479,066.60 and 533,631,855.60 is: 800,447,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,986,044.40 : 1,258,479,066.60 = 533,631,855.60 : x
  2. Step 2: Convert to fraction form
    838,986,044.40/1,258,479,066.60 = 533,631,855.60/x
  3. Step 3: Cross multiply
    838,986,044.40x = 1,258,479,066.60 × 533,631,855.60
  4. Step 4: Simplify right side
    838,986,044.40x = 671,564,519,543,513,984
  5. Step 5: Solve for x
    x = 671,564,519,543,513,984/838,986,044.40
  6. Step 6: Final answer
    x = 800,447,783.40

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Double scale
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Similar ratio
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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.