Home / 426,101,421.53-588,426,063.56-402,887,739.66

Finding the Fourth Proportional to 426,101,421.53, 588,426,063.56 and 402,887,739.66

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Solution

The fourth proportional to 426,101,421.53, 588,426,063.56 and 402,887,739.66 is: 556,369,058.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,101,421.53 : 588,426,063.56 = 402,887,739.66 : x
  2. Step 2: Convert to fraction form
    426,101,421.53/588,426,063.56 = 402,887,739.66/x
  3. Step 3: Cross multiply
    426,101,421.53x = 588,426,063.56 × 402,887,739.66
  4. Step 4: Simplify right side
    426,101,421.53x = 237,069,646,702,705,440
  5. Step 5: Solve for x
    x = 237,069,646,702,705,440/426,101,421.53
  6. Step 6: Final answer
    x = 556,369,058.46

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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.