Home / 1,680,505,673.19-2,319,101,038.13-927,820,304.97

Finding the Fourth Proportional to 1,680,505,673.19, 2,319,101,038.13 and 927,820,304.97

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Solution

The fourth proportional to 1,680,505,673.19, 2,319,101,038.13 and 927,820,304.97 is: 1,280,393,792.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,505,673.19 : 2,319,101,038.13 = 927,820,304.97 : x
  2. Step 2: Convert to fraction form
    1,680,505,673.19/2,319,101,038.13 = 927,820,304.97/x
  3. Step 3: Cross multiply
    1,680,505,673.19x = 2,319,101,038.13 × 927,820,304.97
  4. Step 4: Simplify right side
    1,680,505,673.19x = 2,151,709,032,449,381,120
  5. Step 5: Solve for x
    x = 2,151,709,032,449,381,120/1,680,505,673.19
  6. Step 6: Final answer
    x = 1,280,393,792.64

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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.