Home / 775,743,075.41-1,070,548,051.61-423,341,764.74

Finding the Fourth Proportional to 775,743,075.41, 1,070,548,051.61 and 423,341,764.74

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Solution

The fourth proportional to 775,743,075.41, 1,070,548,051.61 and 423,341,764.74 is: 584,223,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,743,075.41 : 1,070,548,051.61 = 423,341,764.74 : x
  2. Step 2: Convert to fraction form
    775,743,075.41/1,070,548,051.61 = 423,341,764.74/x
  3. Step 3: Cross multiply
    775,743,075.41x = 1,070,548,051.61 × 423,341,764.74
  4. Step 4: Simplify right side
    775,743,075.41x = 453,207,701,408,604,352
  5. Step 5: Solve for x
    x = 453,207,701,408,604,352/775,743,075.41
  6. Step 6: Final answer
    x = 584,223,972.83

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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.