Home / 8,504,357,780.40-12,756,536,670.60-7,688,064,404.40

Finding the Fourth Proportional to 8,504,357,780.40, 12,756,536,670.60 and 7,688,064,404.40

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Solution

The fourth proportional to 8,504,357,780.40, 12,756,536,670.60 and 7,688,064,404.40 is: 11,532,096,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504,357,780.40 : 12,756,536,670.60 = 7,688,064,404.40 : x
  2. Step 2: Convert to fraction form
    8,504,357,780.40/12,756,536,670.60 = 7,688,064,404.40/x
  3. Step 3: Cross multiply
    8,504,357,780.40x = 12,756,536,670.60 × 7,688,064,404.40
  4. Step 4: Simplify right side
    8,504,357,780.40x = 98,073,075,500,663,144,448
  5. Step 5: Solve for x
    x = 98,073,075,500,663,144,448/8,504,357,780.40
  6. Step 6: Final answer
    x = 11,532,096,606.60

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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.