Home / 714,178,619.06-1,069,636,929.32-340,949,042.52

Finding the Fourth Proportional to 714,178,619.06, 1,069,636,929.32 and 340,949,042.52

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Solution

The fourth proportional to 714,178,619.06, 1,069,636,929.32 and 340,949,042.52 is: 510,644,924.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,178,619.06 : 1,069,636,929.32 = 340,949,042.52 : x
  2. Step 2: Convert to fraction form
    714,178,619.06/1,069,636,929.32 = 340,949,042.52/x
  3. Step 3: Cross multiply
    714,178,619.06x = 1,069,636,929.32 × 340,949,042.52
  4. Step 4: Simplify right side
    714,178,619.06x = 364,691,686,895,686,912
  5. Step 5: Solve for x
    x = 364,691,686,895,686,912/714,178,619.06
  6. Step 6: Final answer
    x = 510,644,924.34

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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.