Home / 839,294,075.70-1,258,941,113.55-788,233,749.30

Finding the Fourth Proportional to 839,294,075.70, 1,258,941,113.55 and 788,233,749.30

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Solution

The fourth proportional to 839,294,075.70, 1,258,941,113.55 and 788,233,749.30 is: 1,182,350,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,294,075.70 : 1,258,941,113.55 = 788,233,749.30 : x
  2. Step 2: Convert to fraction form
    839,294,075.70/1,258,941,113.55 = 788,233,749.30/x
  3. Step 3: Cross multiply
    839,294,075.70x = 1,258,941,113.55 × 788,233,749.30
  4. Step 4: Simplify right side
    839,294,075.70x = 992,339,874,081,433,472
  5. Step 5: Solve for x
    x = 992,339,874,081,433,472/839,294,075.70
  6. Step 6: Final answer
    x = 1,182,350,623.95

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Double scale
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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.