Home / 885,824,408.40-1,328,736,612.60-369,263,756.40

Finding the Fourth Proportional to 885,824,408.40, 1,328,736,612.60 and 369,263,756.40

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Solution

The fourth proportional to 885,824,408.40, 1,328,736,612.60 and 369,263,756.40 is: 553,895,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,824,408.40 : 1,328,736,612.60 = 369,263,756.40 : x
  2. Step 2: Convert to fraction form
    885,824,408.40/1,328,736,612.60 = 369,263,756.40/x
  3. Step 3: Cross multiply
    885,824,408.40x = 1,328,736,612.60 × 369,263,756.40
  4. Step 4: Simplify right side
    885,824,408.40x = 490,654,272,834,887,488
  5. Step 5: Solve for x
    x = 490,654,272,834,887,488/885,824,408.40
  6. Step 6: Final answer
    x = 553,895,634.60

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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.