Home / 808,525,035.60-1,212,787,553.40-706,488,363.60

Finding the Fourth Proportional to 808,525,035.60, 1,212,787,553.40 and 706,488,363.60

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Solution

The fourth proportional to 808,525,035.60, 1,212,787,553.40 and 706,488,363.60 is: 1,059,732,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,525,035.60 : 1,212,787,553.40 = 706,488,363.60 : x
  2. Step 2: Convert to fraction form
    808,525,035.60/1,212,787,553.40 = 706,488,363.60/x
  3. Step 3: Cross multiply
    808,525,035.60x = 1,212,787,553.40 × 706,488,363.60
  4. Step 4: Simplify right side
    808,525,035.60x = 856,820,293,996,013,696
  5. Step 5: Solve for x
    x = 856,820,293,996,013,696/808,525,035.60
  6. Step 6: Final answer
    x = 1,059,732,545.40

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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.