Home / 939,841,255.34-1,296,904,894.31-543,389,681.06

Finding the Fourth Proportional to 939,841,255.34, 1,296,904,894.31 and 543,389,681.06

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Solution

The fourth proportional to 939,841,255.34, 1,296,904,894.31 and 543,389,681.06 is: 749,833,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,841,255.34 : 1,296,904,894.31 = 543,389,681.06 : x
  2. Step 2: Convert to fraction form
    939,841,255.34/1,296,904,894.31 = 543,389,681.06/x
  3. Step 3: Cross multiply
    939,841,255.34x = 1,296,904,894.31 × 543,389,681.06
  4. Step 4: Simplify right side
    939,841,255.34x = 704,724,736,884,263,808
  5. Step 5: Solve for x
    x = 704,724,736,884,263,808/939,841,255.34
  6. Step 6: Final answer
    x = 749,833,796.80

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1.5x scale

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.