Home / 637,120,363.01-879,270,290.25-386,235,329.63

Finding the Fourth Proportional to 637,120,363.01, 879,270,290.25 and 386,235,329.63

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Solution

The fourth proportional to 637,120,363.01, 879,270,290.25 and 386,235,329.63 is: 533,031,543.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,120,363.01 : 879,270,290.25 = 386,235,329.63 : x
  2. Step 2: Convert to fraction form
    637,120,363.01/879,270,290.25 = 386,235,329.63/x
  3. Step 3: Cross multiply
    637,120,363.01x = 879,270,290.25 × 386,235,329.63
  4. Step 4: Simplify right side
    637,120,363.01x = 339,605,250,388,574,528
  5. Step 5: Solve for x
    x = 339,605,250,388,574,528/637,120,363.01
  6. Step 6: Final answer
    x = 533,031,543.34

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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.