Home / 549,612,007.40-824,418,011.10-386,034,467.60

Finding the Fourth Proportional to 549,612,007.40, 824,418,011.10 and 386,034,467.60

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Solution

The fourth proportional to 549,612,007.40, 824,418,011.10 and 386,034,467.60 is: 579,051,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,612,007.40 : 824,418,011.10 = 386,034,467.60 : x
  2. Step 2: Convert to fraction form
    549,612,007.40/824,418,011.10 = 386,034,467.60/x
  3. Step 3: Cross multiply
    549,612,007.40x = 824,418,011.10 × 386,034,467.60
  4. Step 4: Simplify right side
    549,612,007.40x = 318,253,767,994,839,424
  5. Step 5: Solve for x
    x = 318,253,767,994,839,424/549,612,007.40
  6. Step 6: Final answer
    x = 579,051,701.40

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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.