Home / 623,975,338.10-935,963,007.15-442,576,810.10

Finding the Fourth Proportional to 623,975,338.10, 935,963,007.15 and 442,576,810.10

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Solution

The fourth proportional to 623,975,338.10, 935,963,007.15 and 442,576,810.10 is: 663,865,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,975,338.10 : 935,963,007.15 = 442,576,810.10 : x
  2. Step 2: Convert to fraction form
    623,975,338.10/935,963,007.15 = 442,576,810.10/x
  3. Step 3: Cross multiply
    623,975,338.10x = 935,963,007.15 × 442,576,810.10
  4. Step 4: Simplify right side
    623,975,338.10x = 414,235,522,076,050,496
  5. Step 5: Solve for x
    x = 414,235,522,076,050,496/623,975,338.10
  6. Step 6: Final answer
    x = 663,865,215.15

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Double scale
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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.