Home / 572,341,509.60-858,512,264.40-141,520,005.60

Finding the Fourth Proportional to 572,341,509.60, 858,512,264.40 and 141,520,005.60

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Solution

The fourth proportional to 572,341,509.60, 858,512,264.40 and 141,520,005.60 is: 212,280,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,341,509.60 : 858,512,264.40 = 141,520,005.60 : x
  2. Step 2: Convert to fraction form
    572,341,509.60/858,512,264.40 = 141,520,005.60/x
  3. Step 3: Cross multiply
    572,341,509.60x = 858,512,264.40 × 141,520,005.60
  4. Step 4: Simplify right side
    572,341,509.60x = 121,496,660,465,556,672
  5. Step 5: Solve for x
    x = 121,496,660,465,556,672/572,341,509.60
  6. Step 6: Final answer
    x = 212,280,008.40

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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.