Home / 1,120,018,084.80-1,680,027,127.20-302,213,054.40

Finding the Fourth Proportional to 1,120,018,084.80, 1,680,027,127.20 and 302,213,054.40

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Solution

The fourth proportional to 1,120,018,084.80, 1,680,027,127.20 and 302,213,054.40 is: 453,319,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,018,084.80 : 1,680,027,127.20 = 302,213,054.40 : x
  2. Step 2: Convert to fraction form
    1,120,018,084.80/1,680,027,127.20 = 302,213,054.40/x
  3. Step 3: Cross multiply
    1,120,018,084.80x = 1,680,027,127.20 × 302,213,054.40
  4. Step 4: Simplify right side
    1,120,018,084.80x = 507,726,129,585,969,280
  5. Step 5: Solve for x
    x = 507,726,129,585,969,280/1,120,018,084.80
  6. Step 6: Final answer
    x = 453,319,581.60

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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.