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Finding the Fourth Proportional to 586,113,759.52, 808,838,579.76 and 321,812,871.64

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Solution

The fourth proportional to 586,113,759.52, 808,838,579.76 and 321,812,871.64 is: 444,102,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,113,759.52 : 808,838,579.76 = 321,812,871.64 : x
  2. Step 2: Convert to fraction form
    586,113,759.52/808,838,579.76 = 321,812,871.64/x
  3. Step 3: Cross multiply
    586,113,759.52x = 808,838,579.76 × 321,812,871.64
  4. Step 4: Simplify right side
    586,113,759.52x = 260,294,666,045,784,768
  5. Step 5: Solve for x
    x = 260,294,666,045,784,768/586,113,759.52
  6. Step 6: Final answer
    x = 444,102,636.76

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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.