Home / 1,007,360,747.70-1,390,261,275.57-605,604,561.78

Finding the Fourth Proportional to 1,007,360,747.70, 1,390,261,275.57 and 605,604,561.78

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Solution

The fourth proportional to 1,007,360,747.70, 1,390,261,275.57 and 605,604,561.78 is: 835,796,483.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,360,747.70 : 1,390,261,275.57 = 605,604,561.78 : x
  2. Step 2: Convert to fraction form
    1,007,360,747.70/1,390,261,275.57 = 605,604,561.78/x
  3. Step 3: Cross multiply
    1,007,360,747.70x = 1,390,261,275.57 × 605,604,561.78
  4. Step 4: Simplify right side
    1,007,360,747.70x = 841,948,570,551,273,600
  5. Step 5: Solve for x
    x = 841,948,570,551,273,600/1,007,360,747.70
  6. Step 6: Final answer
    x = 835,796,483.51

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Double scale
Find fourth proportional to 1,007,360,748.70, 1,390,261,276.95 and 605,604,562.78
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1.5x scale

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.