Home / 1,119,249,234.60-1,678,873,851.90-353,244,805.80

Finding the Fourth Proportional to 1,119,249,234.60, 1,678,873,851.90 and 353,244,805.80

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Solution

The fourth proportional to 1,119,249,234.60, 1,678,873,851.90 and 353,244,805.80 is: 529,867,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,249,234.60 : 1,678,873,851.90 = 353,244,805.80 : x
  2. Step 2: Convert to fraction form
    1,119,249,234.60/1,678,873,851.90 = 353,244,805.80/x
  3. Step 3: Cross multiply
    1,119,249,234.60x = 1,678,873,851.90 × 353,244,805.80
  4. Step 4: Simplify right side
    1,119,249,234.60x = 593,053,467,777,113,472
  5. Step 5: Solve for x
    x = 593,053,467,777,113,472/1,119,249,234.60
  6. Step 6: Final answer
    x = 529,867,208.70

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Double scale
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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.