Home / 621,363,606,328.47-857,357,413,957.03-346,967,038,841.65

Finding the Fourth Proportional to 621,363,606,328.47, 857,357,413,957.03 and 346,967,038,841.65

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Solution

The fourth proportional to 621,363,606,328.47, 857,357,413,957.03 and 346,967,038,841.65 is: 478,745,069,907.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,363,606,328.47 : 857,357,413,957.03 = 346,967,038,841.65 : x
  2. Step 2: Convert to fraction form
    621,363,606,328.47/857,357,413,957.03 = 346,967,038,841.65/x
  3. Step 3: Cross multiply
    621,363,606,328.47x = 857,357,413,957.03 × 346,967,038,841.65
  4. Step 4: Simplify right side
    621,363,606,328.47x = 297,474,763,149,605,448,187,904
  5. Step 5: Solve for x
    x = 297,474,763,149,605,448,187,904/621,363,606,328.47
  6. Step 6: Final answer
    x = 478,745,069,907.35

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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.