Home / 528,819,430.80-793,355,117.40-255,965,811.60

Finding the Fourth Proportional to 528,819,430.80, 793,355,117.40 and 255,965,811.60

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Solution

The fourth proportional to 528,819,430.80, 793,355,117.40 and 255,965,811.60 is: 384,009,691.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,819,430.80 : 793,355,117.40 = 255,965,811.60 : x
  2. Step 2: Convert to fraction form
    528,819,430.80/793,355,117.40 = 255,965,811.60/x
  3. Step 3: Cross multiply
    528,819,430.80x = 793,355,117.40 × 255,965,811.60
  4. Step 4: Simplify right side
    528,819,430.80x = 203,071,786,512,304,256
  5. Step 5: Solve for x
    x = 203,071,786,512,304,256/528,819,430.80
  6. Step 6: Final answer
    x = 384,009,691.56

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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.