Home / 697,154,702.69-962,073,488.40-383,888,171.45

Finding the Fourth Proportional to 697,154,702.69, 962,073,488.40 and 383,888,171.45

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Solution

The fourth proportional to 697,154,702.69, 962,073,488.40 and 383,888,171.45 is: 529,765,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,154,702.69 : 962,073,488.40 = 383,888,171.45 : x
  2. Step 2: Convert to fraction form
    697,154,702.69/962,073,488.40 = 383,888,171.45/x
  3. Step 3: Cross multiply
    697,154,702.69x = 962,073,488.40 × 383,888,171.45
  4. Step 4: Simplify right side
    697,154,702.69x = 369,328,632,262,398,784
  5. Step 5: Solve for x
    x = 369,328,632,262,398,784/697,154,702.69
  6. Step 6: Final answer
    x = 529,765,675.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.