Home / 767,792,281.44-1,059,680,045.52-470,599,838.40

Finding the Fourth Proportional to 767,792,281.44, 1,059,680,045.52 and 470,599,838.40

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Solution

The fourth proportional to 767,792,281.44, 1,059,680,045.52 and 470,599,838.40 is: 649,505,432.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,792,281.44 : 1,059,680,045.52 = 470,599,838.40 : x
  2. Step 2: Convert to fraction form
    767,792,281.44/1,059,680,045.52 = 470,599,838.40/x
  3. Step 3: Cross multiply
    767,792,281.44x = 1,059,680,045.52 × 470,599,838.40
  4. Step 4: Simplify right side
    767,792,281.44x = 498,685,258,177,416,640
  5. Step 5: Solve for x
    x = 498,685,258,177,416,640/767,792,281.44
  6. Step 6: Final answer
    x = 649,505,432.96

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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.