Home / 528,434,490,165.84-792,327,339,529.74-205,360,075,862.55

Finding the Fourth Proportional to 528,434,490,165.84, 792,327,339,529.74 and 205,360,075,862.55

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Solution

The fourth proportional to 528,434,490,165.84, 792,327,339,529.74 and 205,360,075,862.55 is: 307,914,047,212.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,434,490,165.84 : 792,327,339,529.74 = 205,360,075,862.55 : x
  2. Step 2: Convert to fraction form
    528,434,490,165.84/792,327,339,529.74 = 205,360,075,862.55/x
  3. Step 3: Cross multiply
    528,434,490,165.84x = 792,327,339,529.74 × 205,360,075,862.55
  4. Step 4: Simplify right side
    528,434,490,165.84x = 162,712,402,553,799,809,433,600
  5. Step 5: Solve for x
    x = 162,712,402,553,799,809,433,600/528,434,490,165.84
  6. Step 6: Final answer
    x = 307,914,047,212.81

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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.