Home / 8,547,770,405.80-12,821,655,608.70-3,640,940,223.40

Finding the Fourth Proportional to 8,547,770,405.80, 12,821,655,608.70 and 3,640,940,223.40

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Solution

The fourth proportional to 8,547,770,405.80, 12,821,655,608.70 and 3,640,940,223.40 is: 5,461,410,335.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547,770,405.80 : 12,821,655,608.70 = 3,640,940,223.40 : x
  2. Step 2: Convert to fraction form
    8,547,770,405.80/12,821,655,608.70 = 3,640,940,223.40/x
  3. Step 3: Cross multiply
    8,547,770,405.80x = 12,821,655,608.70 × 3,640,940,223.40
  4. Step 4: Simplify right side
    8,547,770,405.80x = 46,682,881,636,298,047,488
  5. Step 5: Solve for x
    x = 46,682,881,636,298,047,488/8,547,770,405.80
  6. Step 6: Final answer
    x = 5,461,410,335.10

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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.