Home / 510,166,405.60-765,249,608.40-218,983,976.80

Finding the Fourth Proportional to 510,166,405.60, 765,249,608.40 and 218,983,976.80

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Solution

The fourth proportional to 510,166,405.60, 765,249,608.40 and 218,983,976.80 is: 328,475,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,166,405.60 : 765,249,608.40 = 218,983,976.80 : x
  2. Step 2: Convert to fraction form
    510,166,405.60/765,249,608.40 = 218,983,976.80/x
  3. Step 3: Cross multiply
    510,166,405.60x = 765,249,608.40 × 218,983,976.80
  4. Step 4: Simplify right side
    510,166,405.60x = 167,577,402,492,074,688
  5. Step 5: Solve for x
    x = 167,577,402,492,074,688/510,166,405.60
  6. Step 6: Final answer
    x = 328,475,965.20

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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.