Home / 927,989,298.32-1,391,686,218.36-306,064,701.20

Finding the Fourth Proportional to 927,989,298.32, 1,391,686,218.36 and 306,064,701.20

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Solution

The fourth proportional to 927,989,298.32, 1,391,686,218.36 and 306,064,701.20 is: 458,998,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,989,298.32 : 1,391,686,218.36 = 306,064,701.20 : x
  2. Step 2: Convert to fraction form
    927,989,298.32/1,391,686,218.36 = 306,064,701.20/x
  3. Step 3: Cross multiply
    927,989,298.32x = 1,391,686,218.36 × 306,064,701.20
  4. Step 4: Simplify right side
    927,989,298.32x = 425,946,026,586,511,296
  5. Step 5: Solve for x
    x = 425,946,026,586,511,296/927,989,298.32
  6. Step 6: Final answer
    x = 458,998,856.30

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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.