Home / 946,674,690.66-1,420,012,048.29-256,581,944.63

Finding the Fourth Proportional to 946,674,690.66, 1,420,012,048.29 and 256,581,944.63

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Solution

The fourth proportional to 946,674,690.66, 1,420,012,048.29 and 256,581,944.63 is: 384,872,920.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,674,690.66 : 1,420,012,048.29 = 256,581,944.63 : x
  2. Step 2: Convert to fraction form
    946,674,690.66/1,420,012,048.29 = 256,581,944.63/x
  3. Step 3: Cross multiply
    946,674,690.66x = 1,420,012,048.29 × 256,581,944.63
  4. Step 4: Simplify right side
    946,674,690.66x = 364,349,452,746,990,144
  5. Step 5: Solve for x
    x = 364,349,452,746,990,144/946,674,690.66
  6. Step 6: Final answer
    x = 384,872,920.28

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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.