Home / 28,356,483,641.60-42,534,725,462.40-13,663,202,873.60

Finding the Fourth Proportional to 28,356,483,641.60, 42,534,725,462.40 and 13,663,202,873.60

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Solution

The fourth proportional to 28,356,483,641.60, 42,534,725,462.40 and 13,663,202,873.60 is: 20,494,804,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,356,483,641.60 : 42,534,725,462.40 = 13,663,202,873.60 : x
  2. Step 2: Convert to fraction form
    28,356,483,641.60/42,534,725,462.40 = 13,663,202,873.60/x
  3. Step 3: Cross multiply
    28,356,483,641.60x = 42,534,725,462.40 × 13,663,202,873.60
  4. Step 4: Simplify right side
    28,356,483,641.60x = 581,160,583,165,650,796,544
  5. Step 5: Solve for x
    x = 581,160,583,165,650,796,544/28,356,483,641.60
  6. Step 6: Final answer
    x = 20,494,804,310.40

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Double scale
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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.