Home / 528,819,428.80-793,355,114.40-255,965,809.60

Finding the Fourth Proportional to 528,819,428.80, 793,355,114.40 and 255,965,809.60

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Solution

The fourth proportional to 528,819,428.80, 793,355,114.40 and 255,965,809.60 is: 384,009,688.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,819,428.80 : 793,355,114.40 = 255,965,809.60 : x
  2. Step 2: Convert to fraction form
    528,819,428.80/793,355,114.40 = 255,965,809.60/x
  3. Step 3: Cross multiply
    528,819,428.80x = 793,355,114.40 × 255,965,809.60
  4. Step 4: Simplify right side
    528,819,428.80x = 203,071,784,157,696,608
  5. Step 5: Solve for x
    x = 203,071,784,157,696,608/528,819,428.80
  6. Step 6: Final answer
    x = 384,009,688.56

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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.