Home / 772,173,369,761.55-1,065,599,424,206.40-424,943,648,664.49

Finding the Fourth Proportional to 772,173,369,761.55, 1,065,599,424,206.40 and 424,943,648,664.49

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Solution

The fourth proportional to 772,173,369,761.55, 1,065,599,424,206.40 and 424,943,648,664.49 is: 586,422,330,877.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,173,369,761.55 : 1,065,599,424,206.40 = 424,943,648,664.49 : x
  2. Step 2: Convert to fraction form
    772,173,369,761.55/1,065,599,424,206.40 = 424,943,648,664.49/x
  3. Step 3: Cross multiply
    772,173,369,761.55x = 1,065,599,424,206.40 × 424,943,648,664.49
  4. Step 4: Simplify right side
    772,173,369,761.55x = 452,819,707,337,047,296,442,368
  5. Step 5: Solve for x
    x = 452,819,707,337,047,296,442,368/772,173,369,761.55
  6. Step 6: Final answer
    x = 586,422,330,877.43

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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.