Home / 651,421,688.40-977,274,250.20-214,648,045.20

Finding the Fourth Proportional to 651,421,688.40, 977,274,250.20 and 214,648,045.20

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Solution

The fourth proportional to 651,421,688.40, 977,274,250.20 and 214,648,045.20 is: 322,018,764.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,421,688.40 : 977,274,250.20 = 214,648,045.20 : x
  2. Step 2: Convert to fraction form
    651,421,688.40/977,274,250.20 = 214,648,045.20/x
  3. Step 3: Cross multiply
    651,421,688.40x = 977,274,250.20 × 214,648,045.20
  4. Step 4: Simplify right side
    651,421,688.40x = 209,770,007,429,725,696
  5. Step 5: Solve for x
    x = 209,770,007,429,725,696/651,421,688.40
  6. Step 6: Final answer
    x = 322,018,764.75

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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.