Home / 384,476,482.04-530,580,092.72-208,264,477.39

Finding the Fourth Proportional to 384,476,482.04, 530,580,092.72 and 208,264,477.39

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Solution

The fourth proportional to 384,476,482.04, 530,580,092.72 and 208,264,477.39 is: 287,406,358.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,476,482.04 : 530,580,092.72 = 208,264,477.39 : x
  2. Step 2: Convert to fraction form
    384,476,482.04/530,580,092.72 = 208,264,477.39/x
  3. Step 3: Cross multiply
    384,476,482.04x = 530,580,092.72 × 208,264,477.39
  4. Step 4: Simplify right side
    384,476,482.04x = 110,500,985,721,500,752
  5. Step 5: Solve for x
    x = 110,500,985,721,500,752/384,476,482.04
  6. Step 6: Final answer
    x = 287,406,358.74

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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.