Home / 735,362,618.64-1,014,769,872.48-400,827,780.91

Finding the Fourth Proportional to 735,362,618.64, 1,014,769,872.48 and 400,827,780.91

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Solution

The fourth proportional to 735,362,618.64, 1,014,769,872.48 and 400,827,780.91 is: 553,125,690.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,362,618.64 : 1,014,769,872.48 = 400,827,780.91 : x
  2. Step 2: Convert to fraction form
    735,362,618.64/1,014,769,872.48 = 400,827,780.91/x
  3. Step 3: Cross multiply
    735,362,618.64x = 1,014,769,872.48 × 400,827,780.91
  4. Step 4: Simplify right side
    735,362,618.64x = 406,747,956,120,482,112
  5. Step 5: Solve for x
    x = 406,747,956,120,482,112/735,362,618.64
  6. Step 6: Final answer
    x = 553,125,690.39

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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.