Home / 577,470,343.20-866,205,514.80-513,980,858.40

Finding the Fourth Proportional to 577,470,343.20, 866,205,514.80 and 513,980,858.40

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Solution

The fourth proportional to 577,470,343.20, 866,205,514.80 and 513,980,858.40 is: 770,971,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,470,343.20 : 866,205,514.80 = 513,980,858.40 : x
  2. Step 2: Convert to fraction form
    577,470,343.20/866,205,514.80 = 513,980,858.40/x
  3. Step 3: Cross multiply
    577,470,343.20x = 866,205,514.80 × 513,980,858.40
  4. Step 4: Simplify right side
    577,470,343.20x = 445,213,054,047,717,888
  5. Step 5: Solve for x
    x = 445,213,054,047,717,888/577,470,343.20
  6. Step 6: Final answer
    x = 770,971,287.60

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Similar ratio
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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.