Home / 651,648,677.40-977,473,016.10-361,411,032.60

Finding the Fourth Proportional to 651,648,677.40, 977,473,016.10 and 361,411,032.60

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Solution

The fourth proportional to 651,648,677.40, 977,473,016.10 and 361,411,032.60 is: 542,116,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,648,677.40 : 977,473,016.10 = 361,411,032.60 : x
  2. Step 2: Convert to fraction form
    651,648,677.40/977,473,016.10 = 361,411,032.60/x
  3. Step 3: Cross multiply
    651,648,677.40x = 977,473,016.10 × 361,411,032.60
  4. Step 4: Simplify right side
    651,648,677.40x = 353,269,532,087,337,472
  5. Step 5: Solve for x
    x = 353,269,532,087,337,472/651,648,677.40
  6. Step 6: Final answer
    x = 542,116,548.90

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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.