Home / 927,868,014.60-1,391,802,021.90-535,604,769.49

Finding the Fourth Proportional to 927,868,014.60, 1,391,802,021.90 and 535,604,769.49

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Solution

The fourth proportional to 927,868,014.60, 1,391,802,021.90 and 535,604,769.49 is: 803,407,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,868,014.60 : 1,391,802,021.90 = 535,604,769.49 : x
  2. Step 2: Convert to fraction form
    927,868,014.60/1,391,802,021.90 = 535,604,769.49/x
  3. Step 3: Cross multiply
    927,868,014.60x = 1,391,802,021.90 × 535,604,769.49
  4. Step 4: Simplify right side
    927,868,014.60x = 745,455,801,111,986,048
  5. Step 5: Solve for x
    x = 745,455,801,111,986,048/927,868,014.60
  6. Step 6: Final answer
    x = 803,407,154.23

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Double scale
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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.