Home / 557,154,100.24-768,634,159.08-347,947,041.04

Finding the Fourth Proportional to 557,154,100.24, 768,634,159.08 and 347,947,041.04

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Solution

The fourth proportional to 557,154,100.24, 768,634,159.08 and 347,947,041.04 is: 480,017,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,154,100.24 : 768,634,159.08 = 347,947,041.04 : x
  2. Step 2: Convert to fraction form
    557,154,100.24/768,634,159.08 = 347,947,041.04/x
  3. Step 3: Cross multiply
    557,154,100.24x = 768,634,159.08 × 347,947,041.04
  4. Step 4: Simplify right side
    557,154,100.24x = 267,443,981,294,154,688
  5. Step 5: Solve for x
    x = 267,443,981,294,154,688/557,154,100.24
  6. Step 6: Final answer
    x = 480,017,972.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.