Home / 672,649,249.40-1,008,973,874.10-498,310,029.35

Finding the Fourth Proportional to 672,649,249.40, 1,008,973,874.10 and 498,310,029.35

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Solution

The fourth proportional to 672,649,249.40, 1,008,973,874.10 and 498,310,029.35 is: 747,465,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,649,249.40 : 1,008,973,874.10 = 498,310,029.35 : x
  2. Step 2: Convert to fraction form
    672,649,249.40/1,008,973,874.10 = 498,310,029.35/x
  3. Step 3: Cross multiply
    672,649,249.40x = 1,008,973,874.10 × 498,310,029.35
  4. Step 4: Simplify right side
    672,649,249.40x = 502,781,800,816,154,240
  5. Step 5: Solve for x
    x = 502,781,800,816,154,240/672,649,249.40
  6. Step 6: Final answer
    x = 747,465,044.03

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Double scale
Find fourth proportional to 672,649,250.40, 1,008,973,875.60 and 498,310,030.35
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.