Home / 1,573,949,069.16-2,171,265,197.85-938,421,347.10

Finding the Fourth Proportional to 1,573,949,069.16, 2,171,265,197.85 and 938,421,347.10

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Solution

The fourth proportional to 1,573,949,069.16, 2,171,265,197.85 and 938,421,347.10 is: 1,294,553,713.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,949,069.16 : 2,171,265,197.85 = 938,421,347.10 : x
  2. Step 2: Convert to fraction form
    1,573,949,069.16/2,171,265,197.85 = 938,421,347.10/x
  3. Step 3: Cross multiply
    1,573,949,069.16x = 2,171,265,197.85 × 938,421,347.10
  4. Step 4: Simplify right side
    1,573,949,069.16x = 2,037,561,611,877,744,896
  5. Step 5: Solve for x
    x = 2,037,561,611,877,744,896/1,573,949,069.16
  6. Step 6: Final answer
    x = 1,294,553,713.21

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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.