Home / 697,154,958-962,073,839.88-383,888,425.68

Finding the Fourth Proportional to 697,154,958, 962,073,839.88 and 383,888,425.68

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Solution

The fourth proportional to 697,154,958, 962,073,839.88 and 383,888,425.68 is: 529,766,026.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,154,958 : 962,073,839.88 = 383,888,425.68 : x
  2. Step 2: Convert to fraction form
    697,154,958/962,073,839.88 = 383,888,425.68/x
  3. Step 3: Cross multiply
    697,154,958x = 962,073,839.88 × 383,888,425.68
  4. Step 4: Simplify right side
    697,154,958x = 369,329,011,779,445,632
  5. Step 5: Solve for x
    x = 369,329,011,779,445,632/697,154,958
  6. Step 6: Final answer
    x = 529,766,026.25

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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.