Home / 496,564,139.80-744,846,209.70-173,406,021.40

Finding the Fourth Proportional to 496,564,139.80, 744,846,209.70 and 173,406,021.40

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Solution

The fourth proportional to 496,564,139.80, 744,846,209.70 and 173,406,021.40 is: 260,109,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,564,139.80 : 744,846,209.70 = 173,406,021.40 : x
  2. Step 2: Convert to fraction form
    496,564,139.80/744,846,209.70 = 173,406,021.40/x
  3. Step 3: Cross multiply
    496,564,139.80x = 744,846,209.70 × 173,406,021.40
  4. Step 4: Simplify right side
    496,564,139.80x = 129,160,817,778,947,104
  5. Step 5: Solve for x
    x = 129,160,817,778,947,104/496,564,139.80
  6. Step 6: Final answer
    x = 260,109,032.10

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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.