Home / 586,113,714.30-808,838,517.29-321,812,826.42

Finding the Fourth Proportional to 586,113,714.30, 808,838,517.29 and 321,812,826.42

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Solution

The fourth proportional to 586,113,714.30, 808,838,517.29 and 321,812,826.42 is: 444,102,574.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,113,714.30 : 808,838,517.29 = 321,812,826.42 : x
  2. Step 2: Convert to fraction form
    586,113,714.30/808,838,517.29 = 321,812,826.42/x
  3. Step 3: Cross multiply
    586,113,714.30x = 808,838,517.29 × 321,812,826.42
  4. Step 4: Simplify right side
    586,113,714.30x = 260,294,609,364,847,872
  5. Step 5: Solve for x
    x = 260,294,609,364,847,872/586,113,714.30
  6. Step 6: Final answer
    x = 444,102,574.32

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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.