Home / 1,152,113,678.08-1,589,920,890.24-623,477,531.68

Finding the Fourth Proportional to 1,152,113,678.08, 1,589,920,890.24 and 623,477,531.68

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Solution

The fourth proportional to 1,152,113,678.08, 1,589,920,890.24 and 623,477,531.68 is: 860,401,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,113,678.08 : 1,589,920,890.24 = 623,477,531.68 : x
  2. Step 2: Convert to fraction form
    1,152,113,678.08/1,589,920,890.24 = 623,477,531.68/x
  3. Step 3: Cross multiply
    1,152,113,678.08x = 1,589,920,890.24 × 623,477,531.68
  4. Step 4: Simplify right side
    1,152,113,678.08x = 991,279,952,213,303,296
  5. Step 5: Solve for x
    x = 991,279,952,213,303,296/1,152,113,678.08
  6. Step 6: Final answer
    x = 860,401,166.20

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Double scale
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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.