Home / 689,548,370.95-951,596,854.05-376,302,762.55

Finding the Fourth Proportional to 689,548,370.95, 951,596,854.05 and 376,302,762.55

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Solution

The fourth proportional to 689,548,370.95, 951,596,854.05 and 376,302,762.55 is: 519,308,782.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,548,370.95 : 951,596,854.05 = 376,302,762.55 : x
  2. Step 2: Convert to fraction form
    689,548,370.95/951,596,854.05 = 376,302,762.55/x
  3. Step 3: Cross multiply
    689,548,370.95x = 951,596,854.05 × 376,302,762.55
  4. Step 4: Simplify right side
    689,548,370.95x = 358,088,525,012,904,128
  5. Step 5: Solve for x
    x = 358,088,525,012,904,128/689,548,370.95
  6. Step 6: Final answer
    x = 519,308,782.53

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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.