Home / 651,728,374.22-977,500,518.76-209,013,526.01

Finding the Fourth Proportional to 651,728,374.22, 977,500,518.76 and 209,013,526.01

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Solution

The fourth proportional to 651,728,374.22, 977,500,518.76 and 209,013,526.01 is: 313,490,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,728,374.22 : 977,500,518.76 = 209,013,526.01 : x
  2. Step 2: Convert to fraction form
    651,728,374.22/977,500,518.76 = 209,013,526.01/x
  3. Step 3: Cross multiply
    651,728,374.22x = 977,500,518.76 × 209,013,526.01
  4. Step 4: Simplify right side
    651,728,374.22x = 204,310,830,101,103,616
  5. Step 5: Solve for x
    x = 204,310,830,101,103,616/651,728,374.22
  6. Step 6: Final answer
    x = 313,490,770.36

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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.