Home / 1,293,533,292.80-1,785,080,591.04-706,822,428.80

Finding the Fourth Proportional to 1,293,533,292.80, 1,785,080,591.04 and 706,822,428.80

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Solution

The fourth proportional to 1,293,533,292.80, 1,785,080,591.04 and 706,822,428.80 is: 975,417,490.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,533,292.80 : 1,785,080,591.04 = 706,822,428.80 : x
  2. Step 2: Convert to fraction form
    1,293,533,292.80/1,785,080,591.04 = 706,822,428.80/x
  3. Step 3: Cross multiply
    1,293,533,292.80x = 1,785,080,591.04 × 706,822,428.80
  4. Step 4: Simplify right side
    1,293,533,292.80x = 1,261,734,998,962,632,192
  5. Step 5: Solve for x
    x = 1,261,734,998,962,632,192/1,293,533,292.80
  6. Step 6: Final answer
    x = 975,417,490.98

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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.