Home / 545,306,031.08-752,421,021.54-310,342,721.48

Finding the Fourth Proportional to 545,306,031.08, 752,421,021.54 and 310,342,721.48

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Solution

The fourth proportional to 545,306,031.08, 752,421,021.54 and 310,342,721.48 is: 428,215,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,306,031.08 : 752,421,021.54 = 310,342,721.48 : x
  2. Step 2: Convert to fraction form
    545,306,031.08/752,421,021.54 = 310,342,721.48/x
  3. Step 3: Cross multiply
    545,306,031.08x = 752,421,021.54 × 310,342,721.48
  4. Step 4: Simplify right side
    545,306,031.08x = 233,508,387,523,485,312
  5. Step 5: Solve for x
    x = 233,508,387,523,485,312/545,306,031.08
  6. Step 6: Final answer
    x = 428,215,303.36

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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.