Home / 7,123,033,128.61-10,684,550,025.05-4,879,868,497.30

Finding the Fourth Proportional to 7,123,033,128.61, 10,684,550,025.05 and 4,879,868,497.30

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Solution

The fourth proportional to 7,123,033,128.61, 10,684,550,025.05 and 4,879,868,497.30 is: 7,319,802,973.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123,033,128.61 : 10,684,550,025.05 = 4,879,868,497.30 : x
  2. Step 2: Convert to fraction form
    7,123,033,128.61/10,684,550,025.05 = 4,879,868,497.30/x
  3. Step 3: Cross multiply
    7,123,033,128.61x = 10,684,550,025.05 × 4,879,868,497.30
  4. Step 4: Simplify right side
    7,123,033,128.61x = 52,139,199,075,017,375,744
  5. Step 5: Solve for x
    x = 52,139,199,075,017,375,744/7,123,033,128.61
  6. Step 6: Final answer
    x = 7,319,802,973.49

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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.