Home / 1,547,600,815.71-2,321,759,848.43-442,220,069.43

Finding the Fourth Proportional to 1,547,600,815.71, 2,321,759,848.43 and 442,220,069.43

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Solution

The fourth proportional to 1,547,600,815.71, 2,321,759,848.43 and 442,220,069.43 is: 663,432,579.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,600,815.71 : 2,321,759,848.43 = 442,220,069.43 : x
  2. Step 2: Convert to fraction form
    1,547,600,815.71/2,321,759,848.43 = 442,220,069.43/x
  3. Step 3: Cross multiply
    1,547,600,815.71x = 2,321,759,848.43 × 442,220,069.43
  4. Step 4: Simplify right side
    1,547,600,815.71x = 1,026,728,801,373,562,368
  5. Step 5: Solve for x
    x = 1,026,728,801,373,562,368/1,547,600,815.71
  6. Step 6: Final answer
    x = 663,432,579.61

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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.