Home / 698,952,941.80-1,048,429,412.70-310,775,021.80

Finding the Fourth Proportional to 698,952,941.80, 1,048,429,412.70 and 310,775,021.80

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Solution

The fourth proportional to 698,952,941.80, 1,048,429,412.70 and 310,775,021.80 is: 466,162,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,952,941.80 : 1,048,429,412.70 = 310,775,021.80 : x
  2. Step 2: Convert to fraction form
    698,952,941.80/1,048,429,412.70 = 310,775,021.80/x
  3. Step 3: Cross multiply
    698,952,941.80x = 1,048,429,412.70 × 310,775,021.80
  4. Step 4: Simplify right side
    698,952,941.80x = 325,825,673,587,603,712
  5. Step 5: Solve for x
    x = 325,825,673,587,603,712/698,952,941.80
  6. Step 6: Final answer
    x = 466,162,532.70

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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.