Home / 2,908,931,455.71-4,014,337,668.57-1,638,787,679.55

Finding the Fourth Proportional to 2,908,931,455.71, 4,014,337,668.57 and 1,638,787,679.55

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Solution

The fourth proportional to 2,908,931,455.71, 4,014,337,668.57 and 1,638,787,679.55 is: 2,261,533,904.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908,931,455.71 : 4,014,337,668.57 = 1,638,787,679.55 : x
  2. Step 2: Convert to fraction form
    2,908,931,455.71/4,014,337,668.57 = 1,638,787,679.55/x
  3. Step 3: Cross multiply
    2,908,931,455.71x = 4,014,337,668.57 × 1,638,787,679.55
  4. Step 4: Simplify right side
    2,908,931,455.71x = 6,578,647,112,805,987,328
  5. Step 5: Solve for x
    x = 6,578,647,112,805,987,328/2,908,931,455.71
  6. Step 6: Final answer
    x = 2,261,533,904.45

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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.