Home / 742,583,830.63-1,024,773,842.56-408,056,439.64

Finding the Fourth Proportional to 742,583,830.63, 1,024,773,842.56 and 408,056,439.64

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Solution

The fourth proportional to 742,583,830.63, 1,024,773,842.56 and 408,056,439.64 is: 563,122,368.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,583,830.63 : 1,024,773,842.56 = 408,056,439.64 : x
  2. Step 2: Convert to fraction form
    742,583,830.63/1,024,773,842.56 = 408,056,439.64/x
  3. Step 3: Cross multiply
    742,583,830.63x = 1,024,773,842.56 × 408,056,439.64
  4. Step 4: Simplify right side
    742,583,830.63x = 418,165,565,626,111,616
  5. Step 5: Solve for x
    x = 418,165,565,626,111,616/742,583,830.63
  6. Step 6: Final answer
    x = 563,122,368.65

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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.