Home / 697,154,701.69-962,073,487.02-383,888,170.45

Finding the Fourth Proportional to 697,154,701.69, 962,073,487.02 and 383,888,170.45

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Solution

The fourth proportional to 697,154,701.69, 962,073,487.02 and 383,888,170.45 is: 529,765,674.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,154,701.69 : 962,073,487.02 = 383,888,170.45 : x
  2. Step 2: Convert to fraction form
    697,154,701.69/962,073,487.02 = 383,888,170.45/x
  3. Step 3: Cross multiply
    697,154,701.69x = 962,073,487.02 × 383,888,170.45
  4. Step 4: Simplify right side
    697,154,701.69x = 369,328,630,770,559,616
  5. Step 5: Solve for x
    x = 369,328,630,770,559,616/697,154,701.69
  6. Step 6: Final answer
    x = 529,765,674.50

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Double scale
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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.