Home / 912,799,140.25-1,368,745,324.28-290,933,454.10

Finding the Fourth Proportional to 912,799,140.25, 1,368,745,324.28 and 290,933,454.10

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Solution

The fourth proportional to 912,799,140.25, 1,368,745,324.28 and 290,933,454.10 is: 436,255,674.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,799,140.25 : 1,368,745,324.28 = 290,933,454.10 : x
  2. Step 2: Convert to fraction form
    912,799,140.25/1,368,745,324.28 = 290,933,454.10/x
  3. Step 3: Cross multiply
    912,799,140.25x = 1,368,745,324.28 × 290,933,454.10
  4. Step 4: Simplify right side
    912,799,140.25x = 398,213,804,967,706,688
  5. Step 5: Solve for x
    x = 398,213,804,967,706,688/912,799,140.25
  6. Step 6: Final answer
    x = 436,255,674.89

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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.