Home / 1,329,698,568.20-1,994,547,852.30-409,455,332.60

Finding the Fourth Proportional to 1,329,698,568.20, 1,994,547,852.30 and 409,455,332.60

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Solution

The fourth proportional to 1,329,698,568.20, 1,994,547,852.30 and 409,455,332.60 is: 614,182,998.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,698,568.20 : 1,994,547,852.30 = 409,455,332.60 : x
  2. Step 2: Convert to fraction form
    1,329,698,568.20/1,994,547,852.30 = 409,455,332.60/x
  3. Step 3: Cross multiply
    1,329,698,568.20x = 1,994,547,852.30 × 409,455,332.60
  4. Step 4: Simplify right side
    1,329,698,568.20x = 816,678,254,250,112,256
  5. Step 5: Solve for x
    x = 816,678,254,250,112,256/1,329,698,568.20
  6. Step 6: Final answer
    x = 614,182,998.90

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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.