Home / 446,148,041.80-669,222,062.70-437,078,115.40

Finding the Fourth Proportional to 446,148,041.80, 669,222,062.70 and 437,078,115.40

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Solution

The fourth proportional to 446,148,041.80, 669,222,062.70 and 437,078,115.40 is: 655,617,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,148,041.80 : 669,222,062.70 = 437,078,115.40 : x
  2. Step 2: Convert to fraction form
    446,148,041.80/669,222,062.70 = 437,078,115.40/x
  3. Step 3: Cross multiply
    446,148,041.80x = 669,222,062.70 × 437,078,115.40
  4. Step 4: Simplify right side
    446,148,041.80x = 292,502,317,949,016,640
  5. Step 5: Solve for x
    x = 292,502,317,949,016,640/446,148,041.80
  6. Step 6: Final answer
    x = 655,617,173.10

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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.