Home / 697,798,549.20-962,968,366.48-384,544,002.72

Finding the Fourth Proportional to 697,798,549.20, 962,968,366.48 and 384,544,002.72

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Solution

The fourth proportional to 697,798,549.20, 962,968,366.48 and 384,544,002.72 is: 530,674,233.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,798,549.20 : 962,968,366.48 = 384,544,002.72 : x
  2. Step 2: Convert to fraction form
    697,798,549.20/962,968,366.48 = 384,544,002.72/x
  3. Step 3: Cross multiply
    697,798,549.20x = 962,968,366.48 × 384,544,002.72
  4. Step 4: Simplify right side
    697,798,549.20x = 370,303,710,138,959,104
  5. Step 5: Solve for x
    x = 370,303,710,138,959,104/697,798,549.20
  6. Step 6: Final answer
    x = 530,674,233.36

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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.