Home / 747,759,458.31-1,120,636,584.65-581,963,164.63

Finding the Fourth Proportional to 747,759,458.31, 1,120,636,584.65 and 581,963,164.63

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Solution

The fourth proportional to 747,759,458.31, 1,120,636,584.65 and 581,963,164.63 is: 872,164,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,759,458.31 : 1,120,636,584.65 = 581,963,164.63 : x
  2. Step 2: Convert to fraction form
    747,759,458.31/1,120,636,584.65 = 581,963,164.63/x
  3. Step 3: Cross multiply
    747,759,458.31x = 1,120,636,584.65 × 581,963,164.63
  4. Step 4: Simplify right side
    747,759,458.31x = 652,169,213,204,806,016
  5. Step 5: Solve for x
    x = 652,169,213,204,806,016/747,759,458.31
  6. Step 6: Final answer
    x = 872,164,445.34

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1.5x scale

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.