Home / 497,900,574.36-686,464,041.48-408,262,267.80

Finding the Fourth Proportional to 497,900,574.36, 686,464,041.48 and 408,262,267.80

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Solution

The fourth proportional to 497,900,574.36, 686,464,041.48 and 408,262,267.80 is: 562,878,174.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,900,574.36 : 686,464,041.48 = 408,262,267.80 : x
  2. Step 2: Convert to fraction form
    497,900,574.36/686,464,041.48 = 408,262,267.80/x
  3. Step 3: Cross multiply
    497,900,574.36x = 686,464,041.48 × 408,262,267.80
  4. Step 4: Simplify right side
    497,900,574.36x = 280,257,366,337,778,080
  5. Step 5: Solve for x
    x = 280,257,366,337,778,080/497,900,574.36
  6. Step 6: Final answer
    x = 562,878,174.42

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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.