Home / 1,329,698,566.20-1,994,547,849.30-409,455,330.60

Finding the Fourth Proportional to 1,329,698,566.20, 1,994,547,849.30 and 409,455,330.60

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Solution

The fourth proportional to 1,329,698,566.20, 1,994,547,849.30 and 409,455,330.60 is: 614,182,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,698,566.20 : 1,994,547,849.30 = 409,455,330.60 : x
  2. Step 2: Convert to fraction form
    1,329,698,566.20/1,994,547,849.30 = 409,455,330.60/x
  3. Step 3: Cross multiply
    1,329,698,566.20x = 1,994,547,849.30 × 409,455,330.60
  4. Step 4: Simplify right side
    1,329,698,566.20x = 816,678,249,032,650,496
  5. Step 5: Solve for x
    x = 816,678,249,032,650,496/1,329,698,566.20
  6. Step 6: Final answer
    x = 614,182,995.90

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Double scale
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Similar ratio
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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.