Home / 909,786,296.61-1,364,683,442.85-288,004,582.89

Finding the Fourth Proportional to 909,786,296.61, 1,364,683,442.85 and 288,004,582.89

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Solution

The fourth proportional to 909,786,296.61, 1,364,683,442.85 and 288,004,582.89 is: 432,008,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,786,296.61 : 1,364,683,442.85 = 288,004,582.89 : x
  2. Step 2: Convert to fraction form
    909,786,296.61/1,364,683,442.85 = 288,004,582.89/x
  3. Step 3: Cross multiply
    909,786,296.61x = 1,364,683,442.85 × 288,004,582.89
  4. Step 4: Simplify right side
    909,786,296.61x = 393,035,085,734,903,360
  5. Step 5: Solve for x
    x = 393,035,085,734,903,360/909,786,296.61
  6. Step 6: Final answer
    x = 432,008,139.93

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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.