Home / 964,125,580.76-1,329,148,360.25-646,642,561.29

Finding the Fourth Proportional to 964,125,580.76, 1,329,148,360.25 and 646,642,561.29

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Solution

The fourth proportional to 964,125,580.76, 1,329,148,360.25 and 646,642,561.29 is: 891,464,677.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,125,580.76 : 1,329,148,360.25 = 646,642,561.29 : x
  2. Step 2: Convert to fraction form
    964,125,580.76/1,329,148,360.25 = 646,642,561.29/x
  3. Step 3: Cross multiply
    964,125,580.76x = 1,329,148,360.25 × 646,642,561.29
  4. Step 4: Simplify right side
    964,125,580.76x = 859,483,900,006,463,616
  5. Step 5: Solve for x
    x = 859,483,900,006,463,616/964,125,580.76
  6. Step 6: Final answer
    x = 891,464,677.59

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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.