Home / 1,170,899,987.52-1,756,386,372.96-434,153,225.28

Finding the Fourth Proportional to 1,170,899,987.52, 1,756,386,372.96 and 434,153,225.28

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Solution

The fourth proportional to 1,170,899,987.52, 1,756,386,372.96 and 434,153,225.28 is: 651,243,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,899,987.52 : 1,756,386,372.96 = 434,153,225.28 : x
  2. Step 2: Convert to fraction form
    1,170,899,987.52/1,756,386,372.96 = 434,153,225.28/x
  3. Step 3: Cross multiply
    1,170,899,987.52x = 1,756,386,372.96 × 434,153,225.28
  4. Step 4: Simplify right side
    1,170,899,987.52x = 762,540,808,658,424,960
  5. Step 5: Solve for x
    x = 762,540,808,658,424,960/1,170,899,987.52
  6. Step 6: Final answer
    x = 651,243,331.44

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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.