Home / 922,569,733.68-1,273,145,403.30-520,768,075.86

Finding the Fourth Proportional to 922,569,733.68, 1,273,145,403.30 and 520,768,075.86

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Solution

The fourth proportional to 922,569,733.68, 1,273,145,403.30 and 520,768,075.86 is: 718,659,476.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,569,733.68 : 1,273,145,403.30 = 520,768,075.86 : x
  2. Step 2: Convert to fraction form
    922,569,733.68/1,273,145,403.30 = 520,768,075.86/x
  3. Step 3: Cross multiply
    922,569,733.68x = 1,273,145,403.30 × 520,768,075.86
  4. Step 4: Simplify right side
    922,569,733.68x = 663,013,481,966,544,640
  5. Step 5: Solve for x
    x = 663,013,481,966,544,640/922,569,733.68
  6. Step 6: Final answer
    x = 718,659,476.64

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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.