Home / 1,229,145,527.04-1,696,118,287.52-693,267,661.60

Finding the Fourth Proportional to 1,229,145,527.04, 1,696,118,287.52 and 693,267,661.60

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Solution

The fourth proportional to 1,229,145,527.04, 1,696,118,287.52 and 693,267,661.60 is: 956,651,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,145,527.04 : 1,696,118,287.52 = 693,267,661.60 : x
  2. Step 2: Convert to fraction form
    1,229,145,527.04/1,696,118,287.52 = 693,267,661.60/x
  3. Step 3: Cross multiply
    1,229,145,527.04x = 1,696,118,287.52 × 693,267,661.60
  4. Step 4: Simplify right side
    1,229,145,527.04x = 1,175,863,958,985,986,816
  5. Step 5: Solve for x
    x = 1,175,863,958,985,986,816/1,229,145,527.04
  6. Step 6: Final answer
    x = 956,651,538.10

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Double scale
Find fourth proportional to 1,229,145,528.04, 1,696,118,288.90 and 693,267,662.60
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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.