Home / 959,350,009.92-1,438,807,468.11-434,372,547.11

Finding the Fourth Proportional to 959,350,009.92, 1,438,807,468.11 and 434,372,547.11

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Solution

The fourth proportional to 959,350,009.92, 1,438,807,468.11 and 434,372,547.11 is: 651,460,320.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,350,009.92 : 1,438,807,468.11 = 434,372,547.11 : x
  2. Step 2: Convert to fraction form
    959,350,009.92/1,438,807,468.11 = 434,372,547.11/x
  3. Step 3: Cross multiply
    959,350,009.92x = 1,438,807,468.11 × 434,372,547.11
  4. Step 4: Simplify right side
    959,350,009.92x = 624,978,464,716,636,800
  5. Step 5: Solve for x
    x = 624,978,464,716,636,800/959,350,009.92
  6. Step 6: Final answer
    x = 651,460,320.27

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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.