Home / 888,913,683.07-1,226,611,482.57-492,362,580.98

Finding the Fourth Proportional to 888,913,683.07, 1,226,611,482.57 and 492,362,580.98

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Solution

The fourth proportional to 888,913,683.07, 1,226,611,482.57 and 492,362,580.98 is: 679,410,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,913,683.07 : 1,226,611,482.57 = 492,362,580.98 : x
  2. Step 2: Convert to fraction form
    888,913,683.07/1,226,611,482.57 = 492,362,580.98/x
  3. Step 3: Cross multiply
    888,913,683.07x = 1,226,611,482.57 × 492,362,580.98
  4. Step 4: Simplify right side
    888,913,683.07x = 603,937,595,420,935,936
  5. Step 5: Solve for x
    x = 603,937,595,420,935,936/888,913,683.07
  6. Step 6: Final answer
    x = 679,410,843.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.