Home / 531,879,007.80-798,129,403.86-384,180,925.08

Finding the Fourth Proportional to 531,879,007.80, 798,129,403.86 and 384,180,925.08

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Solution

The fourth proportional to 531,879,007.80, 798,129,403.86 and 384,180,925.08 is: 576,495,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,879,007.80 : 798,129,403.86 = 384,180,925.08 : x
  2. Step 2: Convert to fraction form
    531,879,007.80/798,129,403.86 = 384,180,925.08/x
  3. Step 3: Cross multiply
    531,879,007.80x = 798,129,403.86 × 384,180,925.08
  4. Step 4: Simplify right side
    531,879,007.80x = 306,626,092,708,483,712
  5. Step 5: Solve for x
    x = 306,626,092,708,483,712/531,879,007.80
  6. Step 6: Final answer
    x = 576,495,947.78

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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.