Home / 453,074,938.40-679,877,828.40-165,889,632.80

Finding the Fourth Proportional to 453,074,938.40, 679,877,828.40 and 165,889,632.80

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Solution

The fourth proportional to 453,074,938.40, 679,877,828.40 and 165,889,632.80 is: 248,931,630.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,074,938.40 : 679,877,828.40 = 165,889,632.80 : x
  2. Step 2: Convert to fraction form
    453,074,938.40/679,877,828.40 = 165,889,632.80/x
  3. Step 3: Cross multiply
    453,074,938.40x = 679,877,828.40 × 165,889,632.80
  4. Step 4: Simplify right side
    453,074,938.40x = 112,784,683,302,137,408
  5. Step 5: Solve for x
    x = 112,784,683,302,137,408/453,074,938.40
  6. Step 6: Final answer
    x = 248,931,630.83

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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.