Home / 528,434,489,715.20-792,327,338,855.20-205,360,075,412.02

Finding the Fourth Proportional to 528,434,489,715.20, 792,327,338,855.20 and 205,360,075,412.02

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Solution

The fourth proportional to 528,434,489,715.20, 792,327,338,855.20 and 205,360,075,412.02 is: 307,914,046,537.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,434,489,715.20 : 792,327,338,855.20 = 205,360,075,412.02 : x
  2. Step 2: Convert to fraction form
    528,434,489,715.20/792,327,338,855.20 = 205,360,075,412.02/x
  3. Step 3: Cross multiply
    528,434,489,715.20x = 792,327,338,855.20 × 205,360,075,412.02
  4. Step 4: Simplify right side
    528,434,489,715.20x = 162,712,402,058,308,961,173,504
  5. Step 5: Solve for x
    x = 162,712,402,058,308,961,173,504/528,434,489,715.20
  6. Step 6: Final answer
    x = 307,914,046,537.73

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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.