Home / 78,483,888,020.40-117,725,832,030.60-78,483,888,020.40

Finding the Fourth Proportional to 78,483,888,020.40, 117,725,832,030.60 and 78,483,888,020.40

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Solution

The fourth proportional to 78,483,888,020.40, 117,725,832,030.60 and 78,483,888,020.40 is: 117,725,832,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,483,888,020.40 : 117,725,832,030.60 = 78,483,888,020.40 : x
  2. Step 2: Convert to fraction form
    78,483,888,020.40/117,725,832,030.60 = 78,483,888,020.40/x
  3. Step 3: Cross multiply
    78,483,888,020.40x = 117,725,832,030.60 × 78,483,888,020.40
  4. Step 4: Simplify right side
    78,483,888,020.40x = 9,239,581,018,198,029,369,344
  5. Step 5: Solve for x
    x = 9,239,581,018,198,029,369,344/78,483,888,020.40
  6. Step 6: Final answer
    x = 117,725,832,030.60

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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.