Home / 772,173,369,762.45-1,065,599,424,207.80-424,943,648,665.47

Finding the Fourth Proportional to 772,173,369,762.45, 1,065,599,424,207.80 and 424,943,648,665.47

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Solution

The fourth proportional to 772,173,369,762.45, 1,065,599,424,207.80 and 424,943,648,665.47 is: 586,422,330,878.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,173,369,762.45 : 1,065,599,424,207.80 = 424,943,648,665.47 : x
  2. Step 2: Convert to fraction form
    772,173,369,762.45/1,065,599,424,207.80 = 424,943,648,665.47/x
  3. Step 3: Cross multiply
    772,173,369,762.45x = 1,065,599,424,207.80 × 424,943,648,665.47
  4. Step 4: Simplify right side
    772,173,369,762.45x = 452,819,707,338,686,497,554,432
  5. Step 5: Solve for x
    x = 452,819,707,338,686,497,554,432/772,173,369,762.45
  6. Step 6: Final answer
    x = 586,422,330,878.87

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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.