Home / 670,356,472.95-1,005,679,440.63-204,054,360.35

Finding the Fourth Proportional to 670,356,472.95, 1,005,679,440.63 and 204,054,360.35

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Solution

The fourth proportional to 670,356,472.95, 1,005,679,440.63 and 204,054,360.35 is: 306,125,596.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,356,472.95 : 1,005,679,440.63 = 204,054,360.35 : x
  2. Step 2: Convert to fraction form
    670,356,472.95/1,005,679,440.63 = 204,054,360.35/x
  3. Step 3: Cross multiply
    670,356,472.95x = 1,005,679,440.63 × 204,054,360.35
  4. Step 4: Simplify right side
    670,356,472.95x = 205,213,274,969,872,064
  5. Step 5: Solve for x
    x = 205,213,274,969,872,064/670,356,472.95
  6. Step 6: Final answer
    x = 306,125,596.23

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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.