Home / 8,503,076,750.40-12,754,615,125.60-7,779,891,837.60

Finding the Fourth Proportional to 8,503,076,750.40, 12,754,615,125.60 and 7,779,891,837.60

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Solution

The fourth proportional to 8,503,076,750.40, 12,754,615,125.60 and 7,779,891,837.60 is: 11,669,837,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503,076,750.40 : 12,754,615,125.60 = 7,779,891,837.60 : x
  2. Step 2: Convert to fraction form
    8,503,076,750.40/12,754,615,125.60 = 7,779,891,837.60/x
  3. Step 3: Cross multiply
    8,503,076,750.40x = 12,754,615,125.60 × 7,779,891,837.60
  4. Step 4: Simplify right side
    8,503,076,750.40x = 99,229,526,107,384,938,496
  5. Step 5: Solve for x
    x = 99,229,526,107,384,938,496/8,503,076,750.40
  6. Step 6: Final answer
    x = 11,669,837,756.40

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1.5x scale

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.