Home / 1,344,887,404.56-1,855,990,768.95-780,329,655

Finding the Fourth Proportional to 1,344,887,404.56, 1,855,990,768.95 and 780,329,655

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Solution

The fourth proportional to 1,344,887,404.56, 1,855,990,768.95 and 780,329,655 is: 1,076,881,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,887,404.56 : 1,855,990,768.95 = 780,329,655 : x
  2. Step 2: Convert to fraction form
    1,344,887,404.56/1,855,990,768.95 = 780,329,655/x
  3. Step 3: Cross multiply
    1,344,887,404.56x = 1,855,990,768.95 × 780,329,655
  4. Step 4: Simplify right side
    1,344,887,404.56x = 1,448,284,636,417,938,176
  5. Step 5: Solve for x
    x = 1,448,284,636,417,938,176/1,344,887,404.56
  6. Step 6: Final answer
    x = 1,076,881,701.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.