Home / 922,710,403.93-1,273,340,357.24-505,022,689.23

Finding the Fourth Proportional to 922,710,403.93, 1,273,340,357.24 and 505,022,689.23

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Solution

The fourth proportional to 922,710,403.93, 1,273,340,357.24 and 505,022,689.23 is: 696,931,311.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,710,403.93 : 1,273,340,357.24 = 505,022,689.23 : x
  2. Step 2: Convert to fraction form
    922,710,403.93/1,273,340,357.24 = 505,022,689.23/x
  3. Step 3: Cross multiply
    922,710,403.93x = 1,273,340,357.24 × 505,022,689.23
  4. Step 4: Simplify right side
    922,710,403.93x = 643,065,771,515,908,608
  5. Step 5: Solve for x
    x = 643,065,771,515,908,608/922,710,403.93
  6. Step 6: Final answer
    x = 696,931,311.03

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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.