Home / 668,908,459.85-1,003,372,780.05-232,223,015.63

Finding the Fourth Proportional to 668,908,459.85, 1,003,372,780.05 and 232,223,015.63

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Solution

The fourth proportional to 668,908,459.85, 1,003,372,780.05 and 232,223,015.63 is: 348,338,026.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,908,459.85 : 1,003,372,780.05 = 232,223,015.63 : x
  2. Step 2: Convert to fraction form
    668,908,459.85/1,003,372,780.05 = 232,223,015.63/x
  3. Step 3: Cross multiply
    668,908,459.85x = 1,003,372,780.05 × 232,223,015.63
  4. Step 4: Simplify right side
    668,908,459.85x = 233,006,252,778,089,728
  5. Step 5: Solve for x
    x = 233,006,252,778,089,728/668,908,459.85
  6. Step 6: Final answer
    x = 348,338,026.45

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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.