Home / 326,623,323.40-489,934,985.10-301,681,025.80

Finding the Fourth Proportional to 326,623,323.40, 489,934,985.10 and 301,681,025.80

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Solution

The fourth proportional to 326,623,323.40, 489,934,985.10 and 301,681,025.80 is: 452,521,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,623,323.40 : 489,934,985.10 = 301,681,025.80 : x
  2. Step 2: Convert to fraction form
    326,623,323.40/489,934,985.10 = 301,681,025.80/x
  3. Step 3: Cross multiply
    326,623,323.40x = 489,934,985.10 × 301,681,025.80
  4. Step 4: Simplify right side
    326,623,323.40x = 147,804,088,880,275,744
  5. Step 5: Solve for x
    x = 147,804,088,880,275,744/326,623,323.40
  6. Step 6: Final answer
    x = 452,521,538.70

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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.