Home / 630,617,100.44-945,922,209.77-257,123,521.06

Finding the Fourth Proportional to 630,617,100.44, 945,922,209.77 and 257,123,521.06

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Solution

The fourth proportional to 630,617,100.44, 945,922,209.77 and 257,123,521.06 is: 385,683,878.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,617,100.44 : 945,922,209.77 = 257,123,521.06 : x
  2. Step 2: Convert to fraction form
    630,617,100.44/945,922,209.77 = 257,123,521.06/x
  3. Step 3: Cross multiply
    630,617,100.44x = 945,922,209.77 × 257,123,521.06
  4. Step 4: Simplify right side
    630,617,100.44x = 243,218,849,223,196,352
  5. Step 5: Solve for x
    x = 243,218,849,223,196,352/630,617,100.44
  6. Step 6: Final answer
    x = 385,683,878.63

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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.