Home / 507,191,283.84-760,255,940.28-212,255,385.74

Finding the Fourth Proportional to 507,191,283.84, 760,255,940.28 and 212,255,385.74

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Solution

The fourth proportional to 507,191,283.84, 760,255,940.28 and 212,255,385.74 is: 318,160,865.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,191,283.84 : 760,255,940.28 = 212,255,385.74 : x
  2. Step 2: Convert to fraction form
    507,191,283.84/760,255,940.28 = 212,255,385.74/x
  3. Step 3: Cross multiply
    507,191,283.84x = 760,255,940.28 × 212,255,385.74
  4. Step 4: Simplify right side
    507,191,283.84x = 161,368,417,865,257,792
  5. Step 5: Solve for x
    x = 161,368,417,865,257,792/507,191,283.84
  6. Step 6: Final answer
    x = 318,160,865.55

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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.