Home / 1,375,492,307.20-2,063,238,460.80-913,933,830.40

Finding the Fourth Proportional to 1,375,492,307.20, 2,063,238,460.80 and 913,933,830.40

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Solution

The fourth proportional to 1,375,492,307.20, 2,063,238,460.80 and 913,933,830.40 is: 1,370,900,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,492,307.20 : 2,063,238,460.80 = 913,933,830.40 : x
  2. Step 2: Convert to fraction form
    1,375,492,307.20/2,063,238,460.80 = 913,933,830.40/x
  3. Step 3: Cross multiply
    1,375,492,307.20x = 2,063,238,460.80 × 913,933,830.40
  4. Step 4: Simplify right side
    1,375,492,307.20x = 1,885,663,429,507,544,064
  5. Step 5: Solve for x
    x = 1,885,663,429,507,544,064/1,375,492,307.20
  6. Step 6: Final answer
    x = 1,370,900,745.60

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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.