Home / 389,886,147.60-584,829,221.40-160,020,200.40

Finding the Fourth Proportional to 389,886,147.60, 584,829,221.40 and 160,020,200.40

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Solution

The fourth proportional to 389,886,147.60, 584,829,221.40 and 160,020,200.40 is: 240,030,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,886,147.60 : 584,829,221.40 = 160,020,200.40 : x
  2. Step 2: Convert to fraction form
    389,886,147.60/584,829,221.40 = 160,020,200.40/x
  3. Step 3: Cross multiply
    389,886,147.60x = 584,829,221.40 × 160,020,200.40
  4. Step 4: Simplify right side
    389,886,147.60x = 93,584,489,208,203,968
  5. Step 5: Solve for x
    x = 93,584,489,208,203,968/389,886,147.60
  6. Step 6: Final answer
    x = 240,030,300.60

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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.