Home / 402,735,640,000.80-604,103,460,001.20-253,843,728,218.40

Finding the Fourth Proportional to 402,735,640,000.80, 604,103,460,001.20 and 253,843,728,218.40

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Solution

The fourth proportional to 402,735,640,000.80, 604,103,460,001.20 and 253,843,728,218.40 is: 380,765,592,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,735,640,000.80 : 604,103,460,001.20 = 253,843,728,218.40 : x
  2. Step 2: Convert to fraction form
    402,735,640,000.80/604,103,460,001.20 = 253,843,728,218.40/x
  3. Step 3: Cross multiply
    402,735,640,000.80x = 604,103,460,001.20 × 253,843,728,218.40
  4. Step 4: Simplify right side
    402,735,640,000.80x = 153,347,874,516,339,661,996,032
  5. Step 5: Solve for x
    x = 153,347,874,516,339,661,996,032/402,735,640,000.80
  6. Step 6: Final answer
    x = 380,765,592,327.60

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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.