Home / 1,713,293,143.30-2,569,939,714.95-420,828,631.30

Finding the Fourth Proportional to 1,713,293,143.30, 2,569,939,714.95 and 420,828,631.30

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Solution

The fourth proportional to 1,713,293,143.30, 2,569,939,714.95 and 420,828,631.30 is: 631,242,946.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713,293,143.30 : 2,569,939,714.95 = 420,828,631.30 : x
  2. Step 2: Convert to fraction form
    1,713,293,143.30/2,569,939,714.95 = 420,828,631.30/x
  3. Step 3: Cross multiply
    1,713,293,143.30x = 2,569,939,714.95 × 420,828,631.30
  4. Step 4: Simplify right side
    1,713,293,143.30x = 1,081,504,212,765,920,640
  5. Step 5: Solve for x
    x = 1,081,504,212,765,920,640/1,713,293,143.30
  6. Step 6: Final answer
    x = 631,242,946.95

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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.