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Finding the Fourth Proportional to 623,975,267.60, 935,962,901.40 and 442,576,739.60

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Solution

The fourth proportional to 623,975,267.60, 935,962,901.40 and 442,576,739.60 is: 663,865,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,975,267.60 : 935,962,901.40 = 442,576,739.60 : x
  2. Step 2: Convert to fraction form
    623,975,267.60/935,962,901.40 = 442,576,739.60/x
  3. Step 3: Cross multiply
    623,975,267.60x = 935,962,901.40 × 442,576,739.60
  4. Step 4: Simplify right side
    623,975,267.60x = 414,235,409,288,168,256
  5. Step 5: Solve for x
    x = 414,235,409,288,168,256/623,975,267.60
  6. Step 6: Final answer
    x = 663,865,109.40

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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.