Home / 1,103,840,903.79-1,655,989,875.32-448,792,041.60

Finding the Fourth Proportional to 1,103,840,903.79, 1,655,989,875.32 and 448,792,041.60

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Solution

The fourth proportional to 1,103,840,903.79, 1,655,989,875.32 and 448,792,041.60 is: 673,280,972.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,840,903.79 : 1,655,989,875.32 = 448,792,041.60 : x
  2. Step 2: Convert to fraction form
    1,103,840,903.79/1,655,989,875.32 = 448,792,041.60/x
  3. Step 3: Cross multiply
    1,103,840,903.79x = 1,655,989,875.32 × 448,792,041.60
  4. Step 4: Simplify right side
    1,103,840,903.79x = 743,195,077,011,548,416
  5. Step 5: Solve for x
    x = 743,195,077,011,548,416/1,103,840,903.79
  6. Step 6: Final answer
    x = 673,280,972.34

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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.