Home / 945,655,218.40-1,418,482,827.60-510,298,751.20

Finding the Fourth Proportional to 945,655,218.40, 1,418,482,827.60 and 510,298,751.20

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Solution

The fourth proportional to 945,655,218.40, 1,418,482,827.60 and 510,298,751.20 is: 765,448,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,655,218.40 : 1,418,482,827.60 = 510,298,751.20 : x
  2. Step 2: Convert to fraction form
    945,655,218.40/1,418,482,827.60 = 510,298,751.20/x
  3. Step 3: Cross multiply
    945,655,218.40x = 1,418,482,827.60 × 510,298,751.20
  4. Step 4: Simplify right side
    945,655,218.40x = 723,850,015,522,924,800
  5. Step 5: Solve for x
    x = 723,850,015,522,924,800/945,655,218.40
  6. Step 6: Final answer
    x = 765,448,126.80

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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.