Home / 434,958,345.60-652,437,518.40-147,744,009.60

Finding the Fourth Proportional to 434,958,345.60, 652,437,518.40 and 147,744,009.60

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Solution

The fourth proportional to 434,958,345.60, 652,437,518.40 and 147,744,009.60 is: 221,616,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,958,345.60 : 652,437,518.40 = 147,744,009.60 : x
  2. Step 2: Convert to fraction form
    434,958,345.60/652,437,518.40 = 147,744,009.60/x
  3. Step 3: Cross multiply
    434,958,345.60x = 652,437,518.40 × 147,744,009.60
  4. Step 4: Simplify right side
    434,958,345.60x = 96,393,734,981,889,776
  5. Step 5: Solve for x
    x = 96,393,734,981,889,776/434,958,345.60
  6. Step 6: Final answer
    x = 221,616,014.40

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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.