Home / 654,222,655.20-981,333,982.80-470,556,645.60

Finding the Fourth Proportional to 654,222,655.20, 981,333,982.80 and 470,556,645.60

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Solution

The fourth proportional to 654,222,655.20, 981,333,982.80 and 470,556,645.60 is: 705,834,968.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,222,655.20 : 981,333,982.80 = 470,556,645.60 : x
  2. Step 2: Convert to fraction form
    654,222,655.20/981,333,982.80 = 470,556,645.60/x
  3. Step 3: Cross multiply
    654,222,655.20x = 981,333,982.80 × 470,556,645.60
  4. Step 4: Simplify right side
    654,222,655.20x = 461,773,227,159,656,128
  5. Step 5: Solve for x
    x = 461,773,227,159,656,128/654,222,655.20
  6. Step 6: Final answer
    x = 705,834,968.40

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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.