Home / 377,602,123.36-521,099,841.36-210,349,638.40

Finding the Fourth Proportional to 377,602,123.36, 521,099,841.36 and 210,349,638.40

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Solution

The fourth proportional to 377,602,123.36, 521,099,841.36 and 210,349,638.40 is: 290,287,465.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,602,123.36 : 521,099,841.36 = 210,349,638.40 : x
  2. Step 2: Convert to fraction form
    377,602,123.36/521,099,841.36 = 210,349,638.40/x
  3. Step 3: Cross multiply
    377,602,123.36x = 521,099,841.36 × 210,349,638.40
  4. Step 4: Simplify right side
    377,602,123.36x = 109,613,163,200,373,376
  5. Step 5: Solve for x
    x = 109,613,163,200,373,376/377,602,123.36
  6. Step 6: Final answer
    x = 290,287,465.08

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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.