Home / 2,021,919,603.40-3,032,879,405.10-490,109,811.40

Finding the Fourth Proportional to 2,021,919,603.40, 3,032,879,405.10 and 490,109,811.40

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Solution

The fourth proportional to 2,021,919,603.40, 3,032,879,405.10 and 490,109,811.40 is: 735,164,717.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,919,603.40 : 3,032,879,405.10 = 490,109,811.40 : x
  2. Step 2: Convert to fraction form
    2,021,919,603.40/3,032,879,405.10 = 490,109,811.40/x
  3. Step 3: Cross multiply
    2,021,919,603.40x = 3,032,879,405.10 × 490,109,811.40
  4. Step 4: Simplify right side
    2,021,919,603.40x = 1,486,443,953,232,505,088
  5. Step 5: Solve for x
    x = 1,486,443,953,232,505,088/2,021,919,603.40
  6. Step 6: Final answer
    x = 735,164,717.10

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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.