Home / 818,688,045.60-1,228,032,068.40-673,405,362.23

Finding the Fourth Proportional to 818,688,045.60, 1,228,032,068.40 and 673,405,362.23

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Solution

The fourth proportional to 818,688,045.60, 1,228,032,068.40 and 673,405,362.23 is: 1,010,108,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,688,045.60 : 1,228,032,068.40 = 673,405,362.23 : x
  2. Step 2: Convert to fraction form
    818,688,045.60/1,228,032,068.40 = 673,405,362.23/x
  3. Step 3: Cross multiply
    818,688,045.60x = 1,228,032,068.40 × 673,405,362.23
  4. Step 4: Simplify right side
    818,688,045.60x = 826,963,379,844,818,048
  5. Step 5: Solve for x
    x = 826,963,379,844,818,048/818,688,045.60
  6. Step 6: Final answer
    x = 1,010,108,043.34

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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.