Home / 425,737,643.10-638,606,464.65-183,400,547.10

Finding the Fourth Proportional to 425,737,643.10, 638,606,464.65 and 183,400,547.10

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Solution

The fourth proportional to 425,737,643.10, 638,606,464.65 and 183,400,547.10 is: 275,100,820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,737,643.10 : 638,606,464.65 = 183,400,547.10 : x
  2. Step 2: Convert to fraction form
    425,737,643.10/638,606,464.65 = 183,400,547.10/x
  3. Step 3: Cross multiply
    425,737,643.10x = 638,606,464.65 × 183,400,547.10
  4. Step 4: Simplify right side
    425,737,643.10x = 117,120,774,998,406,800
  5. Step 5: Solve for x
    x = 117,120,774,998,406,800/425,737,643.10
  6. Step 6: Final answer
    x = 275,100,820.65

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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.