Home / 805,130,885.60-1,207,696,328.40-455,017,554.80

Finding the Fourth Proportional to 805,130,885.60, 1,207,696,328.40 and 455,017,554.80

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Solution

The fourth proportional to 805,130,885.60, 1,207,696,328.40 and 455,017,554.80 is: 682,526,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,130,885.60 : 1,207,696,328.40 = 455,017,554.80 : x
  2. Step 2: Convert to fraction form
    805,130,885.60/1,207,696,328.40 = 455,017,554.80/x
  3. Step 3: Cross multiply
    805,130,885.60x = 1,207,696,328.40 × 455,017,554.80
  4. Step 4: Simplify right side
    805,130,885.60x = 549,523,030,289,505,856
  5. Step 5: Solve for x
    x = 549,523,030,289,505,856/805,130,885.60
  6. Step 6: Final answer
    x = 682,526,332.20

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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.