Home / 545,331,323.60-817,996,985.40-423,503,176.40

Finding the Fourth Proportional to 545,331,323.60, 817,996,985.40 and 423,503,176.40

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Solution

The fourth proportional to 545,331,323.60, 817,996,985.40 and 423,503,176.40 is: 635,254,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,331,323.60 : 817,996,985.40 = 423,503,176.40 : x
  2. Step 2: Convert to fraction form
    545,331,323.60/817,996,985.40 = 423,503,176.40/x
  3. Step 3: Cross multiply
    545,331,323.60x = 817,996,985.40 × 423,503,176.40
  4. Step 4: Simplify right side
    545,331,323.60x = 346,424,321,602,524,416
  5. Step 5: Solve for x
    x = 346,424,321,602,524,416/545,331,323.60
  6. Step 6: Final answer
    x = 635,254,764.60

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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.