Home / 1,242,700,804,564.90-1,864,135,387,134.60-436,769,762,789.84

Finding the Fourth Proportional to 1,242,700,804,564.90, 1,864,135,387,134.60 and 436,769,762,789.84

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Solution

The fourth proportional to 1,242,700,804,564.90, 1,864,135,387,134.60 and 436,769,762,789.84 is: 655,184,230,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,700,804,564.90 : 1,864,135,387,134.60 = 436,769,762,789.84 : x
  2. Step 2: Convert to fraction form
    1,242,700,804,564.90/1,864,135,387,134.60 = 436,769,762,789.84/x
  3. Step 3: Cross multiply
    1,242,700,804,564.90x = 1,864,135,387,134.60 × 436,769,762,789.84
  4. Step 4: Simplify right side
    1,242,700,804,564.90x = 814,197,970,846,925,929,316,352
  5. Step 5: Solve for x
    x = 814,197,970,846,925,929,316,352/1,242,700,804,564.90
  6. Step 6: Final answer
    x = 655,184,230,875.26

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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.