Home / 13,428,742,976.64-18,531,683,159.04-7,407,113,339.52

Finding the Fourth Proportional to 13,428,742,976.64, 18,531,683,159.04 and 7,407,113,339.52

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Solution

The fourth proportional to 13,428,742,976.64, 18,531,683,159.04 and 7,407,113,339.52 is: 10,221,826,255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,428,742,976.64 : 18,531,683,159.04 = 7,407,113,339.52 : x
  2. Step 2: Convert to fraction form
    13,428,742,976.64/18,531,683,159.04 = 7,407,113,339.52/x
  3. Step 3: Cross multiply
    13,428,742,976.64x = 18,531,683,159.04 × 7,407,113,339.52
  4. Step 4: Simplify right side
    13,428,742,976.64x = 137,266,277,531,083,325,440
  5. Step 5: Solve for x
    x = 137,266,277,531,083,325,440/13,428,742,976.64
  6. Step 6: Final answer
    x = 10,221,826,255.06

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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.