Home / 514,650,634.83-710,223,362.37-279,701,307.45

Finding the Fourth Proportional to 514,650,634.83, 710,223,362.37 and 279,701,307.45

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Solution

The fourth proportional to 514,650,634.83, 710,223,362.37 and 279,701,307.45 is: 385,990,785.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,650,634.83 : 710,223,362.37 = 279,701,307.45 : x
  2. Step 2: Convert to fraction form
    514,650,634.83/710,223,362.37 = 279,701,307.45/x
  3. Step 3: Cross multiply
    514,650,634.83x = 710,223,362.37 × 279,701,307.45
  4. Step 4: Simplify right side
    514,650,634.83x = 198,650,403,036,424,128
  5. Step 5: Solve for x
    x = 198,650,403,036,424,128/514,650,634.83
  6. Step 6: Final answer
    x = 385,990,785.97

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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.