Home / 13,240,106,802.01-18,271,342,140.41-7,218,617,125.64

Finding the Fourth Proportional to 13,240,106,802.01, 18,271,342,140.41 and 7,218,617,125.64

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Solution

The fourth proportional to 13,240,106,802.01, 18,271,342,140.41 and 7,218,617,125.64 is: 9,961,688,773.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240,106,802.01 : 18,271,342,140.41 = 7,218,617,125.64 : x
  2. Step 2: Convert to fraction form
    13,240,106,802.01/18,271,342,140.41 = 7,218,617,125.64/x
  3. Step 3: Cross multiply
    13,240,106,802.01x = 18,271,342,140.41 × 7,218,617,125.64
  4. Step 4: Simplify right side
    13,240,106,802.01x = 131,893,823,283,063,980,032
  5. Step 5: Solve for x
    x = 131,893,823,283,063,980,032/13,240,106,802.01
  6. Step 6: Final answer
    x = 9,961,688,773.01

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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.