Home / 545,306,030.08-752,421,020.16-310,342,720.48

Finding the Fourth Proportional to 545,306,030.08, 752,421,020.16 and 310,342,720.48

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Solution

The fourth proportional to 545,306,030.08, 752,421,020.16 and 310,342,720.48 is: 428,215,301.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,306,030.08 : 752,421,020.16 = 310,342,720.48 : x
  2. Step 2: Convert to fraction form
    545,306,030.08/752,421,020.16 = 310,342,720.48/x
  3. Step 3: Cross multiply
    545,306,030.08x = 752,421,020.16 × 310,342,720.48
  4. Step 4: Simplify right side
    545,306,030.08x = 233,508,386,342,791,328
  5. Step 5: Solve for x
    x = 233,508,386,342,791,328/545,306,030.08
  6. Step 6: Final answer
    x = 428,215,301.98

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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.