Home / 31,119,977,401.19-42,945,582,678.80-16,846,804,563.42

Finding the Fourth Proportional to 31,119,977,401.19, 42,945,582,678.80 and 16,846,804,563.42

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Solution

The fourth proportional to 31,119,977,401.19, 42,945,582,678.80 and 16,846,804,563.42 is: 23,248,597,803.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,119,977,401.19 : 42,945,582,678.80 = 16,846,804,563.42 : x
  2. Step 2: Convert to fraction form
    31,119,977,401.19/42,945,582,678.80 = 16,846,804,563.42/x
  3. Step 3: Cross multiply
    31,119,977,401.19x = 42,945,582,678.80 × 16,846,804,563.42
  4. Step 4: Simplify right side
    31,119,977,401.19x = 723,495,838,252,093,800,448
  5. Step 5: Solve for x
    x = 723,495,838,252,093,800,448/31,119,977,401.19
  6. Step 6: Final answer
    x = 23,248,597,803.43

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Double scale
Find fourth proportional to 31,119,977,402.19, 42,945,582,680.18 and 16,846,804,564.42
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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.