Home / 1,825,082,021.29-2,518,613,858.91-989,706,370.45

Finding the Fourth Proportional to 1,825,082,021.29, 2,518,613,858.91 and 989,706,370.45

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Solution

The fourth proportional to 1,825,082,021.29, 2,518,613,858.91 and 989,706,370.45 is: 1,365,795,154.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825,082,021.29 : 2,518,613,858.91 = 989,706,370.45 : x
  2. Step 2: Convert to fraction form
    1,825,082,021.29/2,518,613,858.91 = 989,706,370.45/x
  3. Step 3: Cross multiply
    1,825,082,021.29x = 2,518,613,858.91 × 989,706,370.45
  4. Step 4: Simplify right side
    1,825,082,021.29x = 2,492,688,180,866,884,608
  5. Step 5: Solve for x
    x = 2,492,688,180,866,884,608/1,825,082,021.29
  6. Step 6: Final answer
    x = 1,365,795,154.29

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.