Home / 876,159,574.63-1,313,814,209.10-439,272,557.35

Finding the Fourth Proportional to 876,159,574.63, 1,313,814,209.10 and 439,272,557.35

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Solution

The fourth proportional to 876,159,574.63, 1,313,814,209.10 and 439,272,557.35 is: 658,695,680.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,159,574.63 : 1,313,814,209.10 = 439,272,557.35 : x
  2. Step 2: Convert to fraction form
    876,159,574.63/1,313,814,209.10 = 439,272,557.35/x
  3. Step 3: Cross multiply
    876,159,574.63x = 1,313,814,209.10 × 439,272,557.35
  4. Step 4: Simplify right side
    876,159,574.63x = 577,122,527,514,124,672
  5. Step 5: Solve for x
    x = 577,122,527,514,124,672/876,159,574.63
  6. Step 6: Final answer
    x = 658,695,680.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.