Home / 38,298,744,246.70-57,448,116,370.05-20,666,807,325.10

Finding the Fourth Proportional to 38,298,744,246.70, 57,448,116,370.05 and 20,666,807,325.10

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Solution

The fourth proportional to 38,298,744,246.70, 57,448,116,370.05 and 20,666,807,325.10 is: 31,000,210,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,298,744,246.70 : 57,448,116,370.05 = 20,666,807,325.10 : x
  2. Step 2: Convert to fraction form
    38,298,744,246.70/57,448,116,370.05 = 20,666,807,325.10/x
  3. Step 3: Cross multiply
    38,298,744,246.70x = 57,448,116,370.05 × 20,666,807,325.10
  4. Step 4: Simplify right side
    38,298,744,246.70x = 1,187,269,152,209,746,526,208
  5. Step 5: Solve for x
    x = 1,187,269,152,209,746,526,208/38,298,744,246.70
  6. Step 6: Final answer
    x = 31,000,210,987.65

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.