Home / 500,989,094.89-688,913,305.54-434,794,672.40

Finding the Fourth Proportional to 500,989,094.89, 688,913,305.54 and 434,794,672.40

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Solution

The fourth proportional to 500,989,094.89, 688,913,305.54 and 434,794,672.40 is: 597,888,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,989,094.89 : 688,913,305.54 = 434,794,672.40 : x
  2. Step 2: Convert to fraction form
    500,989,094.89/688,913,305.54 = 434,794,672.40/x
  3. Step 3: Cross multiply
    500,989,094.89x = 688,913,305.54 × 434,794,672.40
  4. Step 4: Simplify right side
    500,989,094.89x = 299,535,834,989,733,824
  5. Step 5: Solve for x
    x = 299,535,834,989,733,824/500,989,094.89
  6. Step 6: Final answer
    x = 597,888,932.21

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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.