Home / 1,035,028,903.32-1,551,636,362.34-389,250,143.64

Finding the Fourth Proportional to 1,035,028,903.32, 1,551,636,362.34 and 389,250,143.64

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Solution

The fourth proportional to 1,035,028,903.32, 1,551,636,362.34 and 389,250,143.64 is: 583,534,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,028,903.32 : 1,551,636,362.34 = 389,250,143.64 : x
  2. Step 2: Convert to fraction form
    1,035,028,903.32/1,551,636,362.34 = 389,250,143.64/x
  3. Step 3: Cross multiply
    1,035,028,903.32x = 1,551,636,362.34 × 389,250,143.64
  4. Step 4: Simplify right side
    1,035,028,903.32x = 603,974,676,917,891,968
  5. Step 5: Solve for x
    x = 603,974,676,917,891,968/1,035,028,903.32
  6. Step 6: Final answer
    x = 583,534,116.76

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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.