Home / 12,752,719,808.40-19,132,662,893.40-6,209,831,667.60

Finding the Fourth Proportional to 12,752,719,808.40, 19,132,662,893.40 and 6,209,831,667.60

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Solution

The fourth proportional to 12,752,719,808.40, 19,132,662,893.40 and 6,209,831,667.60 is: 9,316,492,301.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752,719,808.40 : 19,132,662,893.40 = 6,209,831,667.60 : x
  2. Step 2: Convert to fraction form
    12,752,719,808.40/19,132,662,893.40 = 6,209,831,667.60/x
  3. Step 3: Cross multiply
    12,752,719,808.40x = 19,132,662,893.40 × 6,209,831,667.60
  4. Step 4: Simplify right side
    12,752,719,808.40x = 118,810,615,920,950,771,712
  5. Step 5: Solve for x
    x = 118,810,615,920,950,771,712/12,752,719,808.40
  6. Step 6: Final answer
    x = 9,316,492,301.72

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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.