Home / 528,222,905.40-792,476,075.70-471,110,712.60

Finding the Fourth Proportional to 528,222,905.40, 792,476,075.70 and 471,110,712.60

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Solution

The fourth proportional to 528,222,905.40, 792,476,075.70 and 471,110,712.60 is: 706,792,463.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,222,905.40 : 792,476,075.70 = 471,110,712.60 : x
  2. Step 2: Convert to fraction form
    528,222,905.40/792,476,075.70 = 471,110,712.60/x
  3. Step 3: Cross multiply
    528,222,905.40x = 792,476,075.70 × 471,110,712.60
  4. Step 4: Simplify right side
    528,222,905.40x = 373,343,968,741,478,592
  5. Step 5: Solve for x
    x = 373,343,968,741,478,592/528,222,905.40
  6. Step 6: Final answer
    x = 706,792,463.80

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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.