Home / 958,987,266.18-1,323,402,429.51-518,954,118.18

Finding the Fourth Proportional to 958,987,266.18, 1,323,402,429.51 and 518,954,118.18

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Solution

The fourth proportional to 958,987,266.18, 1,323,402,429.51 and 518,954,118.18 is: 716,156,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,987,266.18 : 1,323,402,429.51 = 518,954,118.18 : x
  2. Step 2: Convert to fraction form
    958,987,266.18/1,323,402,429.51 = 518,954,118.18/x
  3. Step 3: Cross multiply
    958,987,266.18x = 1,323,402,429.51 × 518,954,118.18
  4. Step 4: Simplify right side
    958,987,266.18x = 686,785,140,803,631,616
  5. Step 5: Solve for x
    x = 686,785,140,803,631,616/958,987,266.18
  6. Step 6: Final answer
    x = 716,156,684.27

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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.