Home / 14,215,108,878.54-19,616,609,055.51-7,871,340,508.38

Finding the Fourth Proportional to 14,215,108,878.54, 19,616,609,055.51 and 7,871,340,508.38

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Solution

The fourth proportional to 14,215,108,878.54, 19,616,609,055.51 and 7,871,340,508.38 is: 10,862,316,343.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215,108,878.54 : 19,616,609,055.51 = 7,871,340,508.38 : x
  2. Step 2: Convert to fraction form
    14,215,108,878.54/19,616,609,055.51 = 7,871,340,508.38/x
  3. Step 3: Cross multiply
    14,215,108,878.54x = 19,616,609,055.51 × 7,871,340,508.38
  4. Step 4: Simplify right side
    14,215,108,878.54x = 154,409,009,495,689,789,440
  5. Step 5: Solve for x
    x = 154,409,009,495,689,789,440/14,215,108,878.54
  6. Step 6: Final answer
    x = 10,862,316,343.48

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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.