Home / 697,261,409.02-962,209,117.47-384,024,769.21

Finding the Fourth Proportional to 697,261,409.02, 962,209,117.47 and 384,024,769.21

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Solution

The fourth proportional to 697,261,409.02, 962,209,117.47 and 384,024,769.21 is: 529,947,777.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,261,409.02 : 962,209,117.47 = 384,024,769.21 : x
  2. Step 2: Convert to fraction form
    697,261,409.02/962,209,117.47 = 384,024,769.21/x
  3. Step 3: Cross multiply
    697,261,409.02x = 962,209,117.47 × 384,024,769.21
  4. Step 4: Simplify right side
    697,261,409.02x = 369,512,134,268,174,528
  5. Step 5: Solve for x
    x = 369,512,134,268,174,528/697,261,409.02
  6. Step 6: Final answer
    x = 529,947,777.82

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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.