Home / 721,860,810.30-1,082,791,215.45-176,602,344.30

Finding the Fourth Proportional to 721,860,810.30, 1,082,791,215.45 and 176,602,344.30

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Solution

The fourth proportional to 721,860,810.30, 1,082,791,215.45 and 176,602,344.30 is: 264,903,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,860,810.30 : 1,082,791,215.45 = 176,602,344.30 : x
  2. Step 2: Convert to fraction form
    721,860,810.30/1,082,791,215.45 = 176,602,344.30/x
  3. Step 3: Cross multiply
    721,860,810.30x = 1,082,791,215.45 × 176,602,344.30
  4. Step 4: Simplify right side
    721,860,810.30x = 191,223,467,035,916,416
  5. Step 5: Solve for x
    x = 191,223,467,035,916,416/721,860,810.30
  6. Step 6: Final answer
    x = 264,903,516.45

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Double scale
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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.