Home / 1,680,487,876.84-2,319,027,038.46-927,787,374.47

Finding the Fourth Proportional to 1,680,487,876.84, 2,319,027,038.46 and 927,787,374.47

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Solution

The fourth proportional to 1,680,487,876.84, 2,319,027,038.46 and 927,787,374.47 is: 1,280,321,052.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,487,876.84 : 2,319,027,038.46 = 927,787,374.47 : x
  2. Step 2: Convert to fraction form
    1,680,487,876.84/2,319,027,038.46 = 927,787,374.47/x
  3. Step 3: Cross multiply
    1,680,487,876.84x = 2,319,027,038.46 × 927,787,374.47
  4. Step 4: Simplify right side
    1,680,487,876.84x = 2,151,564,007,333,175,296
  5. Step 5: Solve for x
    x = 2,151,564,007,333,175,296/1,680,487,876.84
  6. Step 6: Final answer
    x = 1,280,321,052.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.