Home / 298,963,415.40-448,445,123.10-167,670,916.35

Finding the Fourth Proportional to 298,963,415.40, 448,445,123.10 and 167,670,916.35

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Solution

The fourth proportional to 298,963,415.40, 448,445,123.10 and 167,670,916.35 is: 251,506,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,963,415.40 : 448,445,123.10 = 167,670,916.35 : x
  2. Step 2: Convert to fraction form
    298,963,415.40/448,445,123.10 = 167,670,916.35/x
  3. Step 3: Cross multiply
    298,963,415.40x = 448,445,123.10 × 167,670,916.35
  4. Step 4: Simplify right side
    298,963,415.40x = 75,191,204,722,865,552
  5. Step 5: Solve for x
    x = 75,191,204,722,865,552/298,963,415.40
  6. Step 6: Final answer
    x = 251,506,374.53

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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.