Home / 1,115,537,494.69-1,673,510,544.69-460,130,989.15

Finding the Fourth Proportional to 1,115,537,494.69, 1,673,510,544.69 and 460,130,989.15

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Solution

The fourth proportional to 1,115,537,494.69, 1,673,510,544.69 and 460,130,989.15 is: 690,280,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,537,494.69 : 1,673,510,544.69 = 460,130,989.15 : x
  2. Step 2: Convert to fraction form
    1,115,537,494.69/1,673,510,544.69 = 460,130,989.15/x
  3. Step 3: Cross multiply
    1,115,537,494.69x = 1,673,510,544.69 × 460,130,989.15
  4. Step 4: Simplify right side
    1,115,537,494.69x = 770,034,062,281,164,928
  5. Step 5: Solve for x
    x = 770,034,062,281,164,928/1,115,537,494.69
  6. Step 6: Final answer
    x = 690,280,753.40

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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.