Home / 753,036,029.10-1,129,554,043.65-268,186,877.10

Finding the Fourth Proportional to 753,036,029.10, 1,129,554,043.65 and 268,186,877.10

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Solution

The fourth proportional to 753,036,029.10, 1,129,554,043.65 and 268,186,877.10 is: 402,280,315.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,036,029.10 : 1,129,554,043.65 = 268,186,877.10 : x
  2. Step 2: Convert to fraction form
    753,036,029.10/1,129,554,043.65 = 268,186,877.10/x
  3. Step 3: Cross multiply
    753,036,029.10x = 1,129,554,043.65 × 268,186,877.10
  4. Step 4: Simplify right side
    753,036,029.10x = 302,931,571,482,170,624
  5. Step 5: Solve for x
    x = 302,931,571,482,170,624/753,036,029.10
  6. Step 6: Final answer
    x = 402,280,315.65

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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.