Home / 746,497,657.60-1,119,746,486.40-261,648,505.60

Finding the Fourth Proportional to 746,497,657.60, 1,119,746,486.40 and 261,648,505.60

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Solution

The fourth proportional to 746,497,657.60, 1,119,746,486.40 and 261,648,505.60 is: 392,472,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,497,657.60 : 1,119,746,486.40 = 261,648,505.60 : x
  2. Step 2: Convert to fraction form
    746,497,657.60/1,119,746,486.40 = 261,648,505.60/x
  3. Step 3: Cross multiply
    746,497,657.60x = 1,119,746,486.40 × 261,648,505.60
  4. Step 4: Simplify right side
    746,497,657.60x = 292,979,994,817,410,752
  5. Step 5: Solve for x
    x = 292,979,994,817,410,752/746,497,657.60
  6. Step 6: Final answer
    x = 392,472,758.40

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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.