Home / 587,911,141.98-810,904,316.31-386,903,973.80

Finding the Fourth Proportional to 587,911,141.98, 810,904,316.31 and 386,903,973.80

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Solution

The fourth proportional to 587,911,141.98, 810,904,316.31 and 386,903,973.80 is: 533,655,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,911,141.98 : 810,904,316.31 = 386,903,973.80 : x
  2. Step 2: Convert to fraction form
    587,911,141.98/810,904,316.31 = 386,903,973.80/x
  3. Step 3: Cross multiply
    587,911,141.98x = 810,904,316.31 × 386,903,973.80
  4. Step 4: Simplify right side
    587,911,141.98x = 313,742,102,353,938,368
  5. Step 5: Solve for x
    x = 313,742,102,353,938,368/587,911,141.98
  6. Step 6: Final answer
    x = 533,655,649.55

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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.