Home / 1,680,505,706.08-2,319,101,084.28-927,820,338.40

Finding the Fourth Proportional to 1,680,505,706.08, 2,319,101,084.28 and 927,820,338.40

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Solution

The fourth proportional to 1,680,505,706.08, 2,319,101,084.28 and 927,820,338.40 is: 1,280,393,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,505,706.08 : 2,319,101,084.28 = 927,820,338.40 : x
  2. Step 2: Convert to fraction form
    1,680,505,706.08/2,319,101,084.28 = 927,820,338.40/x
  3. Step 3: Cross multiply
    1,680,505,706.08x = 2,319,101,084.28 × 927,820,338.40
  4. Step 4: Simplify right side
    1,680,505,706.08x = 2,151,709,152,800,476,672
  5. Step 5: Solve for x
    x = 2,151,709,152,800,476,672/1,680,505,706.08
  6. Step 6: Final answer
    x = 1,280,393,839.20

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1.5x scale

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.