Home / 1,037,876,875.20-1,556,815,312.80-347,554,699.20

Finding the Fourth Proportional to 1,037,876,875.20, 1,556,815,312.80 and 347,554,699.20

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Solution

The fourth proportional to 1,037,876,875.20, 1,556,815,312.80 and 347,554,699.20 is: 521,332,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,876,875.20 : 1,556,815,312.80 = 347,554,699.20 : x
  2. Step 2: Convert to fraction form
    1,037,876,875.20/1,556,815,312.80 = 347,554,699.20/x
  3. Step 3: Cross multiply
    1,037,876,875.20x = 1,556,815,312.80 × 347,554,699.20
  4. Step 4: Simplify right side
    1,037,876,875.20x = 541,078,477,750,157,888
  5. Step 5: Solve for x
    x = 541,078,477,750,157,888/1,037,876,875.20
  6. Step 6: Final answer
    x = 521,332,048.80

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Double scale
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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.