Home / 673,742,253.12-1,010,709,784.04-207,443,131.28

Finding the Fourth Proportional to 673,742,253.12, 1,010,709,784.04 and 207,443,131.28

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Solution

The fourth proportional to 673,742,253.12, 1,010,709,784.04 and 207,443,131.28 is: 311,194,379.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,742,253.12 : 1,010,709,784.04 = 207,443,131.28 : x
  2. Step 2: Convert to fraction form
    673,742,253.12/1,010,709,784.04 = 207,443,131.28/x
  3. Step 3: Cross multiply
    673,742,253.12x = 1,010,709,784.04 × 207,443,131.28
  4. Step 4: Simplify right side
    673,742,253.12x = 209,664,802,416,590,176
  5. Step 5: Solve for x
    x = 209,664,802,416,590,176/673,742,253.12
  6. Step 6: Final answer
    x = 311,194,379.52

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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.