Home / 537,088,158.80-805,964,014.20-213,938,334.80

Finding the Fourth Proportional to 537,088,158.80, 805,964,014.20 and 213,938,334.80

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Solution

The fourth proportional to 537,088,158.80, 805,964,014.20 and 213,938,334.80 is: 321,039,658.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,088,158.80 : 805,964,014.20 = 213,938,334.80 : x
  2. Step 2: Convert to fraction form
    537,088,158.80/805,964,014.20 = 213,938,334.80/x
  3. Step 3: Cross multiply
    537,088,158.80x = 805,964,014.20 × 213,938,334.80
  4. Step 4: Simplify right side
    537,088,158.80x = 172,426,599,106,671,584
  5. Step 5: Solve for x
    x = 172,426,599,106,671,584/537,088,158.80
  6. Step 6: Final answer
    x = 321,039,658.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.