Home / 712,877,074.40-1,069,166,312.40-349,632,120.80

Finding the Fourth Proportional to 712,877,074.40, 1,069,166,312.40 and 349,632,120.80

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Solution

The fourth proportional to 712,877,074.40, 1,069,166,312.40 and 349,632,120.80 is: 524,374,957.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,877,074.40 : 1,069,166,312.40 = 349,632,120.80 : x
  2. Step 2: Convert to fraction form
    712,877,074.40/1,069,166,312.40 = 349,632,120.80/x
  3. Step 3: Cross multiply
    712,877,074.40x = 1,069,166,312.40 × 349,632,120.80
  4. Step 4: Simplify right side
    712,877,074.40x = 373,814,885,292,327,360
  5. Step 5: Solve for x
    x = 373,814,885,292,327,360/712,877,074.40
  6. Step 6: Final answer
    x = 524,374,957.08

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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.