Home / 698,470,051.40-1,046,193,422.70-374,976,009.80

Finding the Fourth Proportional to 698,470,051.40, 1,046,193,422.70 and 374,976,009.80

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Solution

The fourth proportional to 698,470,051.40, 1,046,193,422.70 and 374,976,009.80 is: 561,652,477.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,470,051.40 : 1,046,193,422.70 = 374,976,009.80 : x
  2. Step 2: Convert to fraction form
    698,470,051.40/1,046,193,422.70 = 374,976,009.80/x
  3. Step 3: Cross multiply
    698,470,051.40x = 1,046,193,422.70 × 374,976,009.80
  4. Step 4: Simplify right side
    698,470,051.40x = 392,297,435,123,050,752
  5. Step 5: Solve for x
    x = 392,297,435,123,050,752/698,470,051.40
  6. Step 6: Final answer
    x = 561,652,477.92

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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.