Home / 1,306,680,613-1,803,196,442.46-711,970,019.98

Finding the Fourth Proportional to 1,306,680,613, 1,803,196,442.46 and 711,970,019.98

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Solution

The fourth proportional to 1,306,680,613, 1,803,196,442.46 and 711,970,019.98 is: 982,506,202.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,680,613 : 1,803,196,442.46 = 711,970,019.98 : x
  2. Step 2: Convert to fraction form
    1,306,680,613/1,803,196,442.46 = 711,970,019.98/x
  3. Step 3: Cross multiply
    1,306,680,613x = 1,803,196,442.46 × 711,970,019.98
  4. Step 4: Simplify right side
    1,306,680,613x = 1,283,821,807,166,111,232
  5. Step 5: Solve for x
    x = 1,283,821,807,166,111,232/1,306,680,613
  6. Step 6: Final answer
    x = 982,506,202.66

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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.