Home / 434,837,276.02-651,432,932.10-257,042,126.08

Finding the Fourth Proportional to 434,837,276.02, 651,432,932.10 and 257,042,126.08

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Solution

The fourth proportional to 434,837,276.02, 651,432,932.10 and 257,042,126.08 is: 385,076,705.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,837,276.02 : 651,432,932.10 = 257,042,126.08 : x
  2. Step 2: Convert to fraction form
    434,837,276.02/651,432,932.10 = 257,042,126.08/x
  3. Step 3: Cross multiply
    434,837,276.02x = 651,432,932.10 × 257,042,126.08
  4. Step 4: Simplify right side
    434,837,276.02x = 167,445,705,865,512,288
  5. Step 5: Solve for x
    x = 167,445,705,865,512,288/434,837,276.02
  6. Step 6: Final answer
    x = 385,076,705.93

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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.