Home / 531,878,937.49-798,129,300.21-384,180,854.77

Finding the Fourth Proportional to 531,878,937.49, 798,129,300.21 and 384,180,854.77

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Solution

The fourth proportional to 531,878,937.49, 798,129,300.21 and 384,180,854.77 is: 576,495,843.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,878,937.49 : 798,129,300.21 = 384,180,854.77 : x
  2. Step 2: Convert to fraction form
    531,878,937.49/798,129,300.21 = 384,180,854.77/x
  3. Step 3: Cross multiply
    531,878,937.49x = 798,129,300.21 × 384,180,854.77
  4. Step 4: Simplify right side
    531,878,937.49x = 306,625,996,771,659,712
  5. Step 5: Solve for x
    x = 306,625,996,771,659,712/531,878,937.49
  6. Step 6: Final answer
    x = 576,495,843.62

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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.