Home / 310,291,853,679.63-428,213,323,472.88-180,070,626,090.23

Finding the Fourth Proportional to 310,291,853,679.63, 428,213,323,472.88 and 180,070,626,090.23

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Solution

The fourth proportional to 310,291,853,679.63, 428,213,323,472.88 and 180,070,626,090.23 is: 248,503,595,384.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,291,853,679.63 : 428,213,323,472.88 = 180,070,626,090.23 : x
  2. Step 2: Convert to fraction form
    310,291,853,679.63/428,213,323,472.88 = 180,070,626,090.23/x
  3. Step 3: Cross multiply
    310,291,853,679.63x = 428,213,323,472.88 × 180,070,626,090.23
  4. Step 4: Simplify right side
    310,291,853,679.63x = 77,108,641,257,939,691,110,400
  5. Step 5: Solve for x
    x = 77,108,641,257,939,691,110,400/310,291,853,679.63
  6. Step 6: Final answer
    x = 248,503,595,384.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.