Home / 709,653,611.40-1,064,480,417.10-402,827,166.60

Finding the Fourth Proportional to 709,653,611.40, 1,064,480,417.10 and 402,827,166.60

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Solution

The fourth proportional to 709,653,611.40, 1,064,480,417.10 and 402,827,166.60 is: 604,240,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,653,611.40 : 1,064,480,417.10 = 402,827,166.60 : x
  2. Step 2: Convert to fraction form
    709,653,611.40/1,064,480,417.10 = 402,827,166.60/x
  3. Step 3: Cross multiply
    709,653,611.40x = 1,064,480,417.10 × 402,827,166.60
  4. Step 4: Simplify right side
    709,653,611.40x = 428,801,630,321,579,200
  5. Step 5: Solve for x
    x = 428,801,630,321,579,200/709,653,611.40
  6. Step 6: Final answer
    x = 604,240,749.90

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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.