Home / 839,291,225.20-1,258,936,837.80-788,230,898.80

Finding the Fourth Proportional to 839,291,225.20, 1,258,936,837.80 and 788,230,898.80

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Solution

The fourth proportional to 839,291,225.20, 1,258,936,837.80 and 788,230,898.80 is: 1,182,346,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,291,225.20 : 1,258,936,837.80 = 788,230,898.80 : x
  2. Step 2: Convert to fraction form
    839,291,225.20/1,258,936,837.80 = 788,230,898.80/x
  3. Step 3: Cross multiply
    839,291,225.20x = 1,258,936,837.80 × 788,230,898.80
  4. Step 4: Simplify right side
    839,291,225.20x = 992,332,915,191,523,712
  5. Step 5: Solve for x
    x = 992,332,915,191,523,712/839,291,225.20
  6. Step 6: Final answer
    x = 1,182,346,348.20

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Double scale
Find fourth proportional to 839,291,226.20, 1,258,936,839.30 and 788,230,899.80
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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.