Home / 626,291,943,984.80-939,053,447,970.98-243,388,932,336.12

Finding the Fourth Proportional to 626,291,943,984.80, 939,053,447,970.98 and 243,388,932,336.12

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Solution

The fourth proportional to 626,291,943,984.80, 939,053,447,970.98 and 243,388,932,336.12 is: 364,933,986,942.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,291,943,984.80 : 939,053,447,970.98 = 243,388,932,336.12 : x
  2. Step 2: Convert to fraction form
    626,291,943,984.80/939,053,447,970.98 = 243,388,932,336.12/x
  3. Step 3: Cross multiply
    626,291,943,984.80x = 939,053,447,970.98 × 243,388,932,336.12
  4. Step 4: Simplify right side
    626,291,943,984.80x = 228,555,216,108,209,020,338,176
  5. Step 5: Solve for x
    x = 228,555,216,108,209,020,338,176/626,291,943,984.80
  6. Step 6: Final answer
    x = 364,933,986,942.29

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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.