Home / 13,102,019,979.60-19,653,029,969.40-4,258,841,739.60

Finding the Fourth Proportional to 13,102,019,979.60, 19,653,029,969.40 and 4,258,841,739.60

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Solution

The fourth proportional to 13,102,019,979.60, 19,653,029,969.40 and 4,258,841,739.60 is: 6,388,262,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102,019,979.60 : 19,653,029,969.40 = 4,258,841,739.60 : x
  2. Step 2: Convert to fraction form
    13,102,019,979.60/19,653,029,969.40 = 4,258,841,739.60/x
  3. Step 3: Cross multiply
    13,102,019,979.60x = 19,653,029,969.40 × 4,258,841,739.60
  4. Step 4: Simplify right side
    13,102,019,979.60x = 83,699,144,343,290,429,440
  5. Step 5: Solve for x
    x = 83,699,144,343,290,429,440/13,102,019,979.60
  6. Step 6: Final answer
    x = 6,388,262,609.40

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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.