Home / 320,020,444.80-480,030,667.20-216,708,314.40

Finding the Fourth Proportional to 320,020,444.80, 480,030,667.20 and 216,708,314.40

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Solution

The fourth proportional to 320,020,444.80, 480,030,667.20 and 216,708,314.40 is: 325,062,471.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,020,444.80 : 480,030,667.20 = 216,708,314.40 : x
  2. Step 2: Convert to fraction form
    320,020,444.80/480,030,667.20 = 216,708,314.40/x
  3. Step 3: Cross multiply
    320,020,444.80x = 480,030,667.20 × 216,708,314.40
  4. Step 4: Simplify right side
    320,020,444.80x = 104,026,636,749,219,360
  5. Step 5: Solve for x
    x = 104,026,636,749,219,360/320,020,444.80
  6. Step 6: Final answer
    x = 325,062,471.60

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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.