Home / 434,484,291.60-651,726,437.40-431,460,982.80

Finding the Fourth Proportional to 434,484,291.60, 651,726,437.40 and 431,460,982.80

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Solution

The fourth proportional to 434,484,291.60, 651,726,437.40 and 431,460,982.80 is: 647,191,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,484,291.60 : 651,726,437.40 = 431,460,982.80 : x
  2. Step 2: Convert to fraction form
    434,484,291.60/651,726,437.40 = 431,460,982.80/x
  3. Step 3: Cross multiply
    434,484,291.60x = 651,726,437.40 × 431,460,982.80
  4. Step 4: Simplify right side
    434,484,291.60x = 281,194,529,197,346,688
  5. Step 5: Solve for x
    x = 281,194,529,197,346,688/434,484,291.60
  6. Step 6: Final answer
    x = 647,191,474.20

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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.