Home / 730,590,478.66-1,096,068,441.88-213,020,919.14

Finding the Fourth Proportional to 730,590,478.66, 1,096,068,441.88 and 213,020,919.14

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Solution

The fourth proportional to 730,590,478.66, 1,096,068,441.88 and 213,020,919.14 is: 319,584,656.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,590,478.66 : 1,096,068,441.88 = 213,020,919.14 : x
  2. Step 2: Convert to fraction form
    730,590,478.66/1,096,068,441.88 = 213,020,919.14/x
  3. Step 3: Cross multiply
    730,590,478.66x = 1,096,068,441.88 × 213,020,919.14
  4. Step 4: Simplify right side
    730,590,478.66x = 233,485,506,931,156,928
  5. Step 5: Solve for x
    x = 233,485,506,931,156,928/730,590,478.66
  6. Step 6: Final answer
    x = 319,584,656.18

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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.