Home / 1,456,009,789.45-2,180,547,902.35-929,748,808.30

Finding the Fourth Proportional to 1,456,009,789.45, 2,180,547,902.35 and 929,748,808.30

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Solution

The fourth proportional to 1,456,009,789.45, 2,180,547,902.35 and 929,748,808.30 is: 1,392,409,466.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,009,789.45 : 2,180,547,902.35 = 929,748,808.30 : x
  2. Step 2: Convert to fraction form
    1,456,009,789.45/2,180,547,902.35 = 929,748,808.30/x
  3. Step 3: Cross multiply
    1,456,009,789.45x = 2,180,547,902.35 × 929,748,808.30
  4. Step 4: Simplify right side
    1,456,009,789.45x = 2,027,361,813,648,137,728
  5. Step 5: Solve for x
    x = 2,027,361,813,648,137,728/1,456,009,789.45
  6. Step 6: Final answer
    x = 1,392,409,466.16

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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.