Home / 880,186,291.80-1,320,279,437.70-266,690,801.40

Finding the Fourth Proportional to 880,186,291.80, 1,320,279,437.70 and 266,690,801.40

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Solution

The fourth proportional to 880,186,291.80, 1,320,279,437.70 and 266,690,801.40 is: 400,036,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,186,291.80 : 1,320,279,437.70 = 266,690,801.40 : x
  2. Step 2: Convert to fraction form
    880,186,291.80/1,320,279,437.70 = 266,690,801.40/x
  3. Step 3: Cross multiply
    880,186,291.80x = 1,320,279,437.70 × 266,690,801.40
  4. Step 4: Simplify right side
    880,186,291.80x = 352,106,381,312,154,368
  5. Step 5: Solve for x
    x = 352,106,381,312,154,368/880,186,291.80
  6. Step 6: Final answer
    x = 400,036,202.10

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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.