Home / 954,379,261.41-1,431,554,486.52-429,377,624.32

Finding the Fourth Proportional to 954,379,261.41, 1,431,554,486.52 and 429,377,624.32

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Solution

The fourth proportional to 954,379,261.41, 1,431,554,486.52 and 429,377,624.32 is: 644,059,955.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,379,261.41 : 1,431,554,486.52 = 429,377,624.32 : x
  2. Step 2: Convert to fraction form
    954,379,261.41/1,431,554,486.52 = 429,377,624.32/x
  3. Step 3: Cross multiply
    954,379,261.41x = 1,431,554,486.52 × 429,377,624.32
  4. Step 4: Simplify right side
    954,379,261.41x = 614,677,464,506,595,072
  5. Step 5: Solve for x
    x = 614,677,464,506,595,072/954,379,261.41
  6. Step 6: Final answer
    x = 644,059,955.37

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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.