Home / 1,115,537,484.69-1,673,510,529.71-460,130,979.15

Finding the Fourth Proportional to 1,115,537,484.69, 1,673,510,529.71 and 460,130,979.15

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Solution

The fourth proportional to 1,115,537,484.69, 1,673,510,529.71 and 460,130,979.15 is: 690,280,738.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,537,484.69 : 1,673,510,529.71 = 460,130,979.15 : x
  2. Step 2: Convert to fraction form
    1,115,537,484.69/1,673,510,529.71 = 460,130,979.15/x
  3. Step 3: Cross multiply
    1,115,537,484.69x = 1,673,510,529.71 × 460,130,979.15
  4. Step 4: Simplify right side
    1,115,537,484.69x = 770,034,038,654,447,744
  5. Step 5: Solve for x
    x = 770,034,038,654,447,744/1,115,537,484.69
  6. Step 6: Final answer
    x = 690,280,738.41

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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.