Home / 712,906,543.20-1,069,359,814.80-468,018,530.40

Finding the Fourth Proportional to 712,906,543.20, 1,069,359,814.80 and 468,018,530.40

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Solution

The fourth proportional to 712,906,543.20, 1,069,359,814.80 and 468,018,530.40 is: 702,027,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,906,543.20 : 1,069,359,814.80 = 468,018,530.40 : x
  2. Step 2: Convert to fraction form
    712,906,543.20/1,069,359,814.80 = 468,018,530.40/x
  3. Step 3: Cross multiply
    712,906,543.20x = 1,069,359,814.80 × 468,018,530.40
  4. Step 4: Simplify right side
    712,906,543.20x = 500,480,208,991,512,128
  5. Step 5: Solve for x
    x = 500,480,208,991,512,128/712,906,543.20
  6. Step 6: Final answer
    x = 702,027,795.60

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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.