Home / 1,987,435,250.28-2,742,768,502.52-1,140,655,802.76

Finding the Fourth Proportional to 1,987,435,250.28, 2,742,768,502.52 and 1,140,655,802.76

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Solution

The fourth proportional to 1,987,435,250.28, 2,742,768,502.52 and 1,140,655,802.76 is: 1,574,166,910.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,435,250.28 : 2,742,768,502.52 = 1,140,655,802.76 : x
  2. Step 2: Convert to fraction form
    1,987,435,250.28/2,742,768,502.52 = 1,140,655,802.76/x
  3. Step 3: Cross multiply
    1,987,435,250.28x = 2,742,768,502.52 × 1,140,655,802.76
  4. Step 4: Simplify right side
    1,987,435,250.28x = 3,128,554,808,021,090,304
  5. Step 5: Solve for x
    x = 3,128,554,808,021,090,304/1,987,435,250.28
  6. Step 6: Final answer
    x = 1,574,166,910.64

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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.