Home / 212,671,427,219.43-293,487,453,801.23-115,013,068,156.84

Finding the Fourth Proportional to 212,671,427,219.43, 293,487,453,801.23 and 115,013,068,156.84

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Solution

The fourth proportional to 212,671,427,219.43, 293,487,453,801.23 and 115,013,068,156.84 is: 158,718,512,254.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,671,427,219.43 : 293,487,453,801.23 = 115,013,068,156.84 : x
  2. Step 2: Convert to fraction form
    212,671,427,219.43/293,487,453,801.23 = 115,013,068,156.84/x
  3. Step 3: Cross multiply
    212,671,427,219.43x = 293,487,453,801.23 × 115,013,068,156.84
  4. Step 4: Simplify right side
    212,671,427,219.43x = 33,754,892,527,218,295,046,144
  5. Step 5: Solve for x
    x = 33,754,892,527,218,295,046,144/212,671,427,219.43
  6. Step 6: Final answer
    x = 158,718,512,254.07

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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.