Home / 651,843,809.40-977,765,714.10-345,733,793.40

Finding the Fourth Proportional to 651,843,809.40, 977,765,714.10 and 345,733,793.40

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Solution

The fourth proportional to 651,843,809.40, 977,765,714.10 and 345,733,793.40 is: 518,600,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,843,809.40 : 977,765,714.10 = 345,733,793.40 : x
  2. Step 2: Convert to fraction form
    651,843,809.40/977,765,714.10 = 345,733,793.40/x
  3. Step 3: Cross multiply
    651,843,809.40x = 977,765,714.10 × 345,733,793.40
  4. Step 4: Simplify right side
    651,843,809.40x = 338,046,649,392,252,864
  5. Step 5: Solve for x
    x = 338,046,649,392,252,864/651,843,809.40
  6. Step 6: Final answer
    x = 518,600,690.10

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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.