Home / 623,699,226.80-935,548,840.20-430,207,463.60

Finding the Fourth Proportional to 623,699,226.80, 935,548,840.20 and 430,207,463.60

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Solution

The fourth proportional to 623,699,226.80, 935,548,840.20 and 430,207,463.60 is: 645,311,195.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,699,226.80 : 935,548,840.20 = 430,207,463.60 : x
  2. Step 2: Convert to fraction form
    623,699,226.80/935,548,840.20 = 430,207,463.60/x
  3. Step 3: Cross multiply
    623,699,226.80x = 935,548,840.20 × 430,207,463.60
  4. Step 4: Simplify right side
    623,699,226.80x = 402,480,093,616,363,776
  5. Step 5: Solve for x
    x = 402,480,093,616,363,776/623,699,226.80
  6. Step 6: Final answer
    x = 645,311,195.40

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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.