Home / 1,242,700,804,565.90-1,864,135,387,136.10-436,769,762,790.84

Finding the Fourth Proportional to 1,242,700,804,565.90, 1,864,135,387,136.10 and 436,769,762,790.84

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Solution

The fourth proportional to 1,242,700,804,565.90, 1,864,135,387,136.10 and 436,769,762,790.84 is: 655,184,230,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,700,804,565.90 : 1,864,135,387,136.10 = 436,769,762,790.84 : x
  2. Step 2: Convert to fraction form
    1,242,700,804,565.90/1,864,135,387,136.10 = 436,769,762,790.84/x
  3. Step 3: Cross multiply
    1,242,700,804,565.90x = 1,864,135,387,136.10 × 436,769,762,790.84
  4. Step 4: Simplify right side
    1,242,700,804,565.90x = 814,197,970,849,445,196,070,912
  5. Step 5: Solve for x
    x = 814,197,970,849,445,196,070,912/1,242,700,804,565.90
  6. Step 6: Final answer
    x = 655,184,230,876.76

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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.