Home / 697,261,411.02-962,209,120.23-384,024,771.21

Finding the Fourth Proportional to 697,261,411.02, 962,209,120.23 and 384,024,771.21

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Solution

The fourth proportional to 697,261,411.02, 962,209,120.23 and 384,024,771.21 is: 529,947,780.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,261,411.02 : 962,209,120.23 = 384,024,771.21 : x
  2. Step 2: Convert to fraction form
    697,261,411.02/962,209,120.23 = 384,024,771.21/x
  3. Step 3: Cross multiply
    697,261,411.02x = 962,209,120.23 × 384,024,771.21
  4. Step 4: Simplify right side
    697,261,411.02x = 369,512,137,252,501,120
  5. Step 5: Solve for x
    x = 369,512,137,252,501,120/697,261,411.02
  6. Step 6: Final answer
    x = 529,947,780.58

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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.