Home / 374,594,474,098.72-516,939,070,782.02-203,316,405,138.48

Finding the Fourth Proportional to 374,594,474,098.72, 516,939,070,782.02 and 203,316,405,138.48

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Solution

The fourth proportional to 374,594,474,098.72, 516,939,070,782.02 and 203,316,405,138.48 is: 280,575,931,612.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,594,474,098.72 : 516,939,070,782.02 = 203,316,405,138.48 : x
  2. Step 2: Convert to fraction form
    374,594,474,098.72/516,939,070,782.02 = 203,316,405,138.48/x
  3. Step 3: Cross multiply
    374,594,474,098.72x = 516,939,070,782.02 × 203,316,405,138.48
  4. Step 4: Simplify right side
    374,594,474,098.72x = 105,102,193,547,026,578,276,352
  5. Step 5: Solve for x
    x = 105,102,193,547,026,578,276,352/374,594,474,098.72
  6. Step 6: Final answer
    x = 280,575,931,612.19

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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.