Home / 697,248,916.20-1,045,873,374.30-620,807,725.80

Finding the Fourth Proportional to 697,248,916.20, 1,045,873,374.30 and 620,807,725.80

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Solution

The fourth proportional to 697,248,916.20, 1,045,873,374.30 and 620,807,725.80 is: 931,211,588.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,248,916.20 : 1,045,873,374.30 = 620,807,725.80 : x
  2. Step 2: Convert to fraction form
    697,248,916.20/1,045,873,374.30 = 620,807,725.80/x
  3. Step 3: Cross multiply
    697,248,916.20x = 1,045,873,374.30 × 620,807,725.80
  4. Step 4: Simplify right side
    697,248,916.20x = 649,286,270,973,955,072
  5. Step 5: Solve for x
    x = 649,286,270,973,955,072/697,248,916.20
  6. Step 6: Final answer
    x = 931,211,588.70

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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.