Home / 709,802,556.48-1,064,736,717.18-218,537,830.87

Finding the Fourth Proportional to 709,802,556.48, 1,064,736,717.18 and 218,537,830.87

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Solution

The fourth proportional to 709,802,556.48, 1,064,736,717.18 and 218,537,830.87 is: 327,816,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,802,556.48 : 1,064,736,717.18 = 218,537,830.87 : x
  2. Step 2: Convert to fraction form
    709,802,556.48/1,064,736,717.18 = 218,537,830.87/x
  3. Step 3: Cross multiply
    709,802,556.48x = 1,064,736,717.18 × 218,537,830.87
  4. Step 4: Simplify right side
    709,802,556.48x = 232,685,252,620,161,856
  5. Step 5: Solve for x
    x = 232,685,252,620,161,856/709,802,556.48
  6. Step 6: Final answer
    x = 327,816,870.33

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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.