Home / 418,872,454.40-578,048,002.93-230,705,014.25

Finding the Fourth Proportional to 418,872,454.40, 578,048,002.93 and 230,705,014.25

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Solution

The fourth proportional to 418,872,454.40, 578,048,002.93 and 230,705,014.25 is: 318,375,131.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,872,454.40 : 578,048,002.93 = 230,705,014.25 : x
  2. Step 2: Convert to fraction form
    418,872,454.40/578,048,002.93 = 230,705,014.25/x
  3. Step 3: Cross multiply
    418,872,454.40x = 578,048,002.93 × 230,705,014.25
  4. Step 4: Simplify right side
    418,872,454.40x = 133,358,572,754,883,184
  5. Step 5: Solve for x
    x = 133,358,572,754,883,184/418,872,454.40
  6. Step 6: Final answer
    x = 318,375,131.51

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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.