Home / 438,343,060.16-604,911,913.44-252,703,190.72

Finding the Fourth Proportional to 438,343,060.16, 604,911,913.44 and 252,703,190.72

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Solution

The fourth proportional to 438,343,060.16, 604,911,913.44 and 252,703,190.72 is: 348,729,532.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,343,060.16 : 604,911,913.44 = 252,703,190.72 : x
  2. Step 2: Convert to fraction form
    438,343,060.16/604,911,913.44 = 252,703,190.72/x
  3. Step 3: Cross multiply
    438,343,060.16x = 604,911,913.44 × 252,703,190.72
  4. Step 4: Simplify right side
    438,343,060.16x = 152,863,170,630,828,480
  5. Step 5: Solve for x
    x = 152,863,170,630,828,480/438,343,060.16
  6. Step 6: Final answer
    x = 348,729,532.93

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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.