Home / 13,500,636,538.62-18,629,111,616.66-7,785,132,065.40

Finding the Fourth Proportional to 13,500,636,538.62, 18,629,111,616.66 and 7,785,132,065.40

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Solution

The fourth proportional to 13,500,636,538.62, 18,629,111,616.66 and 7,785,132,065.40 is: 10,742,463,422.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500,636,538.62 : 18,629,111,616.66 = 7,785,132,065.40 : x
  2. Step 2: Convert to fraction form
    13,500,636,538.62/18,629,111,616.66 = 7,785,132,065.40/x
  3. Step 3: Cross multiply
    13,500,636,538.62x = 18,629,111,616.66 × 7,785,132,065.40
  4. Step 4: Simplify right side
    13,500,636,538.62x = 145,030,094,196,775,387,136
  5. Step 5: Solve for x
    x = 145,030,094,196,775,387,136/13,500,636,538.62
  6. Step 6: Final answer
    x = 10,742,463,422.51

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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.