Home / 1,156,881,871.20-1,596,985,747.51-781,047,564.10

Finding the Fourth Proportional to 1,156,881,871.20, 1,596,985,747.51 and 781,047,564.10

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Solution

The fourth proportional to 1,156,881,871.20, 1,596,985,747.51 and 781,047,564.10 is: 1,078,175,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,881,871.20 : 1,596,985,747.51 = 781,047,564.10 : x
  2. Step 2: Convert to fraction form
    1,156,881,871.20/1,596,985,747.51 = 781,047,564.10/x
  3. Step 3: Cross multiply
    1,156,881,871.20x = 1,596,985,747.51 × 781,047,564.10
  4. Step 4: Simplify right side
    1,156,881,871.20x = 1,247,321,827,991,942,144
  5. Step 5: Solve for x
    x = 1,247,321,827,991,942,144/1,156,881,871.20
  6. Step 6: Final answer
    x = 1,078,175,619.35

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Double scale
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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.