Home / 1,455,778,853.20-2,183,668,279.80-904,780,824.40

Finding the Fourth Proportional to 1,455,778,853.20, 2,183,668,279.80 and 904,780,824.40

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Solution

The fourth proportional to 1,455,778,853.20, 2,183,668,279.80 and 904,780,824.40 is: 1,357,171,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,778,853.20 : 2,183,668,279.80 = 904,780,824.40 : x
  2. Step 2: Convert to fraction form
    1,455,778,853.20/2,183,668,279.80 = 904,780,824.40/x
  3. Step 3: Cross multiply
    1,455,778,853.20x = 2,183,668,279.80 × 904,780,824.40
  4. Step 4: Simplify right side
    1,455,778,853.20x = 1,975,741,186,413,573,888
  5. Step 5: Solve for x
    x = 1,975,741,186,413,573,888/1,455,778,853.20
  6. Step 6: Final answer
    x = 1,357,171,236.60

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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.