Home / 288,277,725.60-432,416,588.40-239,810,306.40

Finding the Fourth Proportional to 288,277,725.60, 432,416,588.40 and 239,810,306.40

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Solution

The fourth proportional to 288,277,725.60, 432,416,588.40 and 239,810,306.40 is: 359,715,459.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,277,725.60 : 432,416,588.40 = 239,810,306.40 : x
  2. Step 2: Convert to fraction form
    288,277,725.60/432,416,588.40 = 239,810,306.40/x
  3. Step 3: Cross multiply
    288,277,725.60x = 432,416,588.40 × 239,810,306.40
  4. Step 4: Simplify right side
    288,277,725.60x = 103,697,954,556,646,688
  5. Step 5: Solve for x
    x = 103,697,954,556,646,688/288,277,725.60
  6. Step 6: Final answer
    x = 359,715,459.60

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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.