Home / 851,922,615.20-1,275,616,441.20-543,545,117.60

Finding the Fourth Proportional to 851,922,615.20, 1,275,616,441.20 and 543,545,117.60

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Solution

The fourth proportional to 851,922,615.20, 1,275,616,441.20 and 543,545,117.60 is: 813,870,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,922,615.20 : 1,275,616,441.20 = 543,545,117.60 : x
  2. Step 2: Convert to fraction form
    851,922,615.20/1,275,616,441.20 = 543,545,117.60/x
  3. Step 3: Cross multiply
    851,922,615.20x = 1,275,616,441.20 × 543,545,117.60
  4. Step 4: Simplify right side
    851,922,615.20x = 693,355,088,544,547,584
  5. Step 5: Solve for x
    x = 693,355,088,544,547,584/851,922,615.20
  6. Step 6: Final answer
    x = 813,870,973.93

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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.