Home / 1,109,697,590.12-1,531,370,470.05-601,047,648.90

Finding the Fourth Proportional to 1,109,697,590.12, 1,531,370,470.05 and 601,047,648.90

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Solution

The fourth proportional to 1,109,697,590.12, 1,531,370,470.05 and 601,047,648.90 is: 829,439,145.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,697,590.12 : 1,531,370,470.05 = 601,047,648.90 : x
  2. Step 2: Convert to fraction form
    1,109,697,590.12/1,531,370,470.05 = 601,047,648.90/x
  3. Step 3: Cross multiply
    1,109,697,590.12x = 1,531,370,470.05 × 601,047,648.90
  4. Step 4: Simplify right side
    1,109,697,590.12x = 920,426,620,618,440,320
  5. Step 5: Solve for x
    x = 920,426,620,618,440,320/1,109,697,590.12
  6. Step 6: Final answer
    x = 829,439,145.24

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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.