Home / 985,406,220.90-1,359,923,710.41-567,710,915.94

Finding the Fourth Proportional to 985,406,220.90, 1,359,923,710.41 and 567,710,915.94

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Solution

The fourth proportional to 985,406,220.90, 1,359,923,710.41 and 567,710,915.94 is: 783,477,431.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,406,220.90 : 1,359,923,710.41 = 567,710,915.94 : x
  2. Step 2: Convert to fraction form
    985,406,220.90/1,359,923,710.41 = 567,710,915.94/x
  3. Step 3: Cross multiply
    985,406,220.90x = 1,359,923,710.41 × 567,710,915.94
  4. Step 4: Simplify right side
    985,406,220.90x = 772,043,535,245,384,576
  5. Step 5: Solve for x
    x = 772,043,535,245,384,576/985,406,220.90
  6. Step 6: Final answer
    x = 783,477,431.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.