Home / 453,312,660.80-679,968,991.20-146,635,774.40

Finding the Fourth Proportional to 453,312,660.80, 679,968,991.20 and 146,635,774.40

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Solution

The fourth proportional to 453,312,660.80, 679,968,991.20 and 146,635,774.40 is: 219,953,661.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,312,660.80 : 679,968,991.20 = 146,635,774.40 : x
  2. Step 2: Convert to fraction form
    453,312,660.80/679,968,991.20 = 146,635,774.40/x
  3. Step 3: Cross multiply
    453,312,660.80x = 679,968,991.20 × 146,635,774.40
  4. Step 4: Simplify right side
    453,312,660.80x = 99,707,779,592,598,800
  5. Step 5: Solve for x
    x = 99,707,779,592,598,800/453,312,660.80
  6. Step 6: Final answer
    x = 219,953,661.60

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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.