Home / 6,943,018,954.20-9,581,443,603.11-4,085,792,683.80

Finding the Fourth Proportional to 6,943,018,954.20, 9,581,443,603.11 and 4,085,792,683.80

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Solution

The fourth proportional to 6,943,018,954.20, 9,581,443,603.11 and 4,085,792,683.80 is: 5,638,439,478.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943,018,954.20 : 9,581,443,603.11 = 4,085,792,683.80 : x
  2. Step 2: Convert to fraction form
    6,943,018,954.20/9,581,443,603.11 = 4,085,792,683.80/x
  3. Step 3: Cross multiply
    6,943,018,954.20x = 9,581,443,603.11 × 4,085,792,683.80
  4. Step 4: Simplify right side
    6,943,018,954.20x = 39,147,792,173,829,152,768
  5. Step 5: Solve for x
    x = 39,147,792,173,829,152,768/6,943,018,954.20
  6. Step 6: Final answer
    x = 5,638,439,478.86

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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.