Home / 54,435,470,492.40-81,653,205,738.60-43,415,509,916.40

Finding the Fourth Proportional to 54,435,470,492.40, 81,653,205,738.60 and 43,415,509,916.40

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Solution

The fourth proportional to 54,435,470,492.40, 81,653,205,738.60 and 43,415,509,916.40 is: 65,123,264,874.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,435,470,492.40 : 81,653,205,738.60 = 43,415,509,916.40 : x
  2. Step 2: Convert to fraction form
    54,435,470,492.40/81,653,205,738.60 = 43,415,509,916.40/x
  3. Step 3: Cross multiply
    54,435,470,492.40x = 81,653,205,738.60 × 43,415,509,916.40
  4. Step 4: Simplify right side
    54,435,470,492.40x = 3,545,015,563,450,037,829,632
  5. Step 5: Solve for x
    x = 3,545,015,563,450,037,829,632/54,435,470,492.40
  6. Step 6: Final answer
    x = 65,123,264,874.60

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1.5x scale

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.