Home / 1,306,680,606-1,803,196,432.80-711,970,012.98

Finding the Fourth Proportional to 1,306,680,606, 1,803,196,432.80 and 711,970,012.98

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Solution

The fourth proportional to 1,306,680,606, 1,803,196,432.80 and 711,970,012.98 is: 982,506,193.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,680,606 : 1,803,196,432.80 = 711,970,012.98 : x
  2. Step 2: Convert to fraction form
    1,306,680,606/1,803,196,432.80 = 711,970,012.98/x
  3. Step 3: Cross multiply
    1,306,680,606x = 1,803,196,432.80 × 711,970,012.98
  4. Step 4: Simplify right side
    1,306,680,606x = 1,283,821,787,666,105,600
  5. Step 5: Solve for x
    x = 1,283,821,787,666,105,600/1,306,680,606
  6. Step 6: Final answer
    x = 982,506,193.00

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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.