Home / 966,860,285.10-1,450,290,427.65-320,544,048.30

Finding the Fourth Proportional to 966,860,285.10, 1,450,290,427.65 and 320,544,048.30

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Solution

The fourth proportional to 966,860,285.10, 1,450,290,427.65 and 320,544,048.30 is: 480,816,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,860,285.10 : 1,450,290,427.65 = 320,544,048.30 : x
  2. Step 2: Convert to fraction form
    966,860,285.10/1,450,290,427.65 = 320,544,048.30/x
  3. Step 3: Cross multiply
    966,860,285.10x = 1,450,290,427.65 × 320,544,048.30
  4. Step 4: Simplify right side
    966,860,285.10x = 464,881,964,889,669,312
  5. Step 5: Solve for x
    x = 464,881,964,889,669,312/966,860,285.10
  6. Step 6: Final answer
    x = 480,816,072.45

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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.