Home / 612,080,477.20-918,120,715.80-606,340,914.40

Finding the Fourth Proportional to 612,080,477.20, 918,120,715.80 and 606,340,914.40

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Solution

The fourth proportional to 612,080,477.20, 918,120,715.80 and 606,340,914.40 is: 909,511,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,080,477.20 : 918,120,715.80 = 606,340,914.40 : x
  2. Step 2: Convert to fraction form
    612,080,477.20/918,120,715.80 = 606,340,914.40/x
  3. Step 3: Cross multiply
    612,080,477.20x = 918,120,715.80 × 606,340,914.40
  4. Step 4: Simplify right side
    612,080,477.20x = 556,694,154,347,754,496
  5. Step 5: Solve for x
    x = 556,694,154,347,754,496/612,080,477.20
  6. Step 6: Final answer
    x = 909,511,371.60

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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.