Home / 760,152,994.87-1,139,813,826.72-603,591,711.32

Finding the Fourth Proportional to 760,152,994.87, 1,139,813,826.72 and 603,591,711.32

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Solution

The fourth proportional to 760,152,994.87, 1,139,813,826.72 and 603,591,711.32 is: 905,057,511.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,152,994.87 : 1,139,813,826.72 = 603,591,711.32 : x
  2. Step 2: Convert to fraction form
    760,152,994.87/1,139,813,826.72 = 603,591,711.32/x
  3. Step 3: Cross multiply
    760,152,994.87x = 1,139,813,826.72 × 603,591,711.32
  4. Step 4: Simplify right side
    760,152,994.87x = 687,982,178,252,404,480
  5. Step 5: Solve for x
    x = 687,982,178,252,404,480/760,152,994.87
  6. Step 6: Final answer
    x = 905,057,511.97

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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.