Home / 977,764,578.60-1,466,646,867.90-518,599,554.60

Finding the Fourth Proportional to 977,764,578.60, 1,466,646,867.90 and 518,599,554.60

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Solution

The fourth proportional to 977,764,578.60, 1,466,646,867.90 and 518,599,554.60 is: 777,899,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,764,578.60 : 1,466,646,867.90 = 518,599,554.60 : x
  2. Step 2: Convert to fraction form
    977,764,578.60/1,466,646,867.90 = 518,599,554.60/x
  3. Step 3: Cross multiply
    977,764,578.60x = 1,466,646,867.90 × 518,599,554.60
  4. Step 4: Simplify right side
    977,764,578.60x = 760,602,412,448,425,088
  5. Step 5: Solve for x
    x = 760,602,412,448,425,088/977,764,578.60
  6. Step 6: Final answer
    x = 777,899,331.90

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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.