Home / 1,306,680,607-1,803,196,434.18-711,970,013.98

Finding the Fourth Proportional to 1,306,680,607, 1,803,196,434.18 and 711,970,013.98

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Solution

The fourth proportional to 1,306,680,607, 1,803,196,434.18 and 711,970,013.98 is: 982,506,194.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,680,607 : 1,803,196,434.18 = 711,970,013.98 : x
  2. Step 2: Convert to fraction form
    1,306,680,607/1,803,196,434.18 = 711,970,013.98/x
  3. Step 3: Cross multiply
    1,306,680,607x = 1,803,196,434.18 × 711,970,013.98
  4. Step 4: Simplify right side
    1,306,680,607x = 1,283,821,790,451,820,800
  5. Step 5: Solve for x
    x = 1,283,821,790,451,820,800/1,306,680,607
  6. Step 6: Final answer
    x = 982,506,194.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.