Home / 686,346,086.98-947,158,210.36-373,080,300.95

Finding the Fourth Proportional to 686,346,086.98, 947,158,210.36 and 373,080,300.95

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Solution

The fourth proportional to 686,346,086.98, 947,158,210.36 and 373,080,300.95 is: 514,851,147.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,346,086.98 : 947,158,210.36 = 373,080,300.95 : x
  2. Step 2: Convert to fraction form
    686,346,086.98/947,158,210.36 = 373,080,300.95/x
  3. Step 3: Cross multiply
    686,346,086.98x = 947,158,210.36 × 373,080,300.95
  4. Step 4: Simplify right side
    686,346,086.98x = 353,366,070,172,374,080
  5. Step 5: Solve for x
    x = 353,366,070,172,374,080/686,346,086.98
  6. Step 6: Final answer
    x = 514,851,147.07

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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.