Home / 575,478,002.40-863,342,974.80-284,484,530.40

Finding the Fourth Proportional to 575,478,002.40, 863,342,974.80 and 284,484,530.40

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Solution

The fourth proportional to 575,478,002.40, 863,342,974.80 and 284,484,530.40 is: 426,789,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,478,002.40 : 863,342,974.80 = 284,484,530.40 : x
  2. Step 2: Convert to fraction form
    575,478,002.40/863,342,974.80 = 284,484,530.40/x
  3. Step 3: Cross multiply
    575,478,002.40x = 863,342,974.80 × 284,484,530.40
  4. Step 4: Simplify right side
    575,478,002.40x = 245,607,720,760,116,992
  5. Step 5: Solve for x
    x = 245,607,720,760,116,992/575,478,002.40
  6. Step 6: Final answer
    x = 426,789,068.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.