Home / 472,393,619.40-708,590,429.10-462,315,923.40

Finding the Fourth Proportional to 472,393,619.40, 708,590,429.10 and 462,315,923.40

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Solution

The fourth proportional to 472,393,619.40, 708,590,429.10 and 462,315,923.40 is: 693,473,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,619.40 : 708,590,429.10 = 462,315,923.40 : x
  2. Step 2: Convert to fraction form
    472,393,619.40/708,590,429.10 = 462,315,923.40/x
  3. Step 3: Cross multiply
    472,393,619.40x = 708,590,429.10 × 462,315,923.40
  4. Step 4: Simplify right side
    472,393,619.40x = 327,592,638,541,768,704
  5. Step 5: Solve for x
    x = 327,592,638,541,768,704/472,393,619.40
  6. Step 6: Final answer
    x = 693,473,885.10

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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.