Home / 521,626,000.30-782,439,000.45-249,528,208.30

Finding the Fourth Proportional to 521,626,000.30, 782,439,000.45 and 249,528,208.30

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Solution

The fourth proportional to 521,626,000.30, 782,439,000.45 and 249,528,208.30 is: 374,292,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,626,000.30 : 782,439,000.45 = 249,528,208.30 : x
  2. Step 2: Convert to fraction form
    521,626,000.30/782,439,000.45 = 249,528,208.30/x
  3. Step 3: Cross multiply
    521,626,000.30x = 782,439,000.45 × 249,528,208.30
  4. Step 4: Simplify right side
    521,626,000.30x = 195,240,601,886,331,424
  5. Step 5: Solve for x
    x = 195,240,601,886,331,424/521,626,000.30
  6. Step 6: Final answer
    x = 374,292,312.45

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1.5x scale

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.