Home / 8,277,516,877.80-12,416,275,316.70-7,678,901,735.40

Finding the Fourth Proportional to 8,277,516,877.80, 12,416,275,316.70 and 7,678,901,735.40

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Solution

The fourth proportional to 8,277,516,877.80, 12,416,275,316.70 and 7,678,901,735.40 is: 11,518,352,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277,516,877.80 : 12,416,275,316.70 = 7,678,901,735.40 : x
  2. Step 2: Convert to fraction form
    8,277,516,877.80/12,416,275,316.70 = 7,678,901,735.40/x
  3. Step 3: Cross multiply
    8,277,516,877.80x = 12,416,275,316.70 × 7,678,901,735.40
  4. Step 4: Simplify right side
    8,277,516,877.80x = 95,343,358,076,611,821,568
  5. Step 5: Solve for x
    x = 95,343,358,076,611,821,568/8,277,516,877.80
  6. Step 6: Final answer
    x = 11,518,352,603.10

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Double scale
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1.5x scale

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.