Home / 1,031,733,035.60-1,545,584,014.20-621,570,808.40

Finding the Fourth Proportional to 1,031,733,035.60, 1,545,584,014.20 and 621,570,808.40

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Solution

The fourth proportional to 1,031,733,035.60, 1,545,584,014.20 and 621,570,808.40 is: 931,141,944.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,733,035.60 : 1,545,584,014.20 = 621,570,808.40 : x
  2. Step 2: Convert to fraction form
    1,031,733,035.60/1,545,584,014.20 = 621,570,808.40/x
  3. Step 3: Cross multiply
    1,031,733,035.60x = 1,545,584,014.20 × 621,570,808.40
  4. Step 4: Simplify right side
    1,031,733,035.60x = 960,689,905,156,411,136
  5. Step 5: Solve for x
    x = 960,689,905,156,411,136/1,031,733,035.60
  6. Step 6: Final answer
    x = 931,141,944.68

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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.