Home / 1,573,949,070.66-2,171,265,199.92-938,421,348.60

Finding the Fourth Proportional to 1,573,949,070.66, 2,171,265,199.92 and 938,421,348.60

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Solution

The fourth proportional to 1,573,949,070.66, 2,171,265,199.92 and 938,421,348.60 is: 1,294,553,715.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,949,070.66 : 2,171,265,199.92 = 938,421,348.60 : x
  2. Step 2: Convert to fraction form
    1,573,949,070.66/2,171,265,199.92 = 938,421,348.60/x
  3. Step 3: Cross multiply
    1,573,949,070.66x = 2,171,265,199.92 × 938,421,348.60
  4. Step 4: Simplify right side
    1,573,949,070.66x = 2,037,561,617,077,175,040
  5. Step 5: Solve for x
    x = 2,037,561,617,077,175,040/1,573,949,070.66
  6. Step 6: Final answer
    x = 1,294,553,715.28

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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.