Home / 2,021,919,619.40-3,032,879,429.10-490,109,827.40

Finding the Fourth Proportional to 2,021,919,619.40, 3,032,879,429.10 and 490,109,827.40

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Solution

The fourth proportional to 2,021,919,619.40, 3,032,879,429.10 and 490,109,827.40 is: 735,164,741.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,919,619.40 : 3,032,879,429.10 = 490,109,827.40 : x
  2. Step 2: Convert to fraction form
    2,021,919,619.40/3,032,879,429.10 = 490,109,827.40/x
  3. Step 3: Cross multiply
    2,021,919,619.40x = 3,032,879,429.10 × 490,109,827.40
  4. Step 4: Simplify right side
    2,021,919,619.40x = 1,486,444,013,521,211,392
  5. Step 5: Solve for x
    x = 1,486,444,013,521,211,392/2,021,919,619.40
  6. Step 6: Final answer
    x = 735,164,741.10

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1.5x scale

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.