Home / 611,865,749,000.40-917,798,623,500.60-347,386,695,176.40

Finding the Fourth Proportional to 611,865,749,000.40, 917,798,623,500.60 and 347,386,695,176.40

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Solution

The fourth proportional to 611,865,749,000.40, 917,798,623,500.60 and 347,386,695,176.40 is: 521,080,042,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,865,749,000.40 : 917,798,623,500.60 = 347,386,695,176.40 : x
  2. Step 2: Convert to fraction form
    611,865,749,000.40/917,798,623,500.60 = 347,386,695,176.40/x
  3. Step 3: Cross multiply
    611,865,749,000.40x = 917,798,623,500.60 × 347,386,695,176.40
  4. Step 4: Simplify right side
    611,865,749,000.40x = 318,831,030,655,322,425,393,152
  5. Step 5: Solve for x
    x = 318,831,030,655,322,425,393,152/611,865,749,000.40
  6. Step 6: Final answer
    x = 521,080,042,764.60

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Double scale
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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.