Home / 360,036,072.60-540,054,108.90-345,927,298.20

Finding the Fourth Proportional to 360,036,072.60, 540,054,108.90 and 345,927,298.20

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Solution

The fourth proportional to 360,036,072.60, 540,054,108.90 and 345,927,298.20 is: 518,890,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,036,072.60 : 540,054,108.90 = 345,927,298.20 : x
  2. Step 2: Convert to fraction form
    360,036,072.60/540,054,108.90 = 345,927,298.20/x
  3. Step 3: Cross multiply
    360,036,072.60x = 540,054,108.90 × 345,927,298.20
  4. Step 4: Simplify right side
    360,036,072.60x = 186,819,458,773,585,568
  5. Step 5: Solve for x
    x = 186,819,458,773,585,568/360,036,072.60
  6. Step 6: Final answer
    x = 518,890,947.30

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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.