Home / 1,227,600,459.40-1,694,089,312.40-663,085,337.69

Finding the Fourth Proportional to 1,227,600,459.40, 1,694,089,312.40 and 663,085,337.69

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Solution

The fourth proportional to 1,227,600,459.40, 1,694,089,312.40 and 663,085,337.69 is: 915,058,132.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,600,459.40 : 1,694,089,312.40 = 663,085,337.69 : x
  2. Step 2: Convert to fraction form
    1,227,600,459.40/1,694,089,312.40 = 663,085,337.69/x
  3. Step 3: Cross multiply
    1,227,600,459.40x = 1,694,089,312.40 × 663,085,337.69
  4. Step 4: Simplify right side
    1,227,600,459.40x = 1,123,325,783,789,774,080
  5. Step 5: Solve for x
    x = 1,123,325,783,789,774,080/1,227,600,459.40
  6. Step 6: Final answer
    x = 915,058,132.46

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Half scale
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Double scale
Find fourth proportional to 1,227,600,460.40, 1,694,089,313.78 and 663,085,338.69
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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.