Home / 517,928,289.76-714,732,698.64-282,973,905.28

Finding the Fourth Proportional to 517,928,289.76, 714,732,698.64 and 282,973,905.28

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Solution

The fourth proportional to 517,928,289.76, 714,732,698.64 and 282,973,905.28 is: 390,499,432.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,928,289.76 : 714,732,698.64 = 282,973,905.28 : x
  2. Step 2: Convert to fraction form
    517,928,289.76/714,732,698.64 = 282,973,905.28/x
  3. Step 3: Cross multiply
    517,928,289.76x = 714,732,698.64 × 282,973,905.28
  4. Step 4: Simplify right side
    517,928,289.76x = 202,250,702,965,474,112
  5. Step 5: Solve for x
    x = 202,250,702,965,474,112/517,928,289.76
  6. Step 6: Final answer
    x = 390,499,432.00

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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.