Home / 8,744,547,979.80-13,116,821,969.70-7,901,044,824.60

Finding the Fourth Proportional to 8,744,547,979.80, 13,116,821,969.70 and 7,901,044,824.60

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Solution

The fourth proportional to 8,744,547,979.80, 13,116,821,969.70 and 7,901,044,824.60 is: 11,851,567,236.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744,547,979.80 : 13,116,821,969.70 = 7,901,044,824.60 : x
  2. Step 2: Convert to fraction form
    8,744,547,979.80/13,116,821,969.70 = 7,901,044,824.60/x
  3. Step 3: Cross multiply
    8,744,547,979.80x = 13,116,821,969.70 × 7,901,044,824.60
  4. Step 4: Simplify right side
    8,744,547,979.80x = 103,636,598,338,897,772,544
  5. Step 5: Solve for x
    x = 103,636,598,338,897,772,544/8,744,547,979.80
  6. Step 6: Final answer
    x = 11,851,567,236.90

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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.