Home / 774,829,420.73-1,069,254,389.29-435,737,795.69

Finding the Fourth Proportional to 774,829,420.73, 1,069,254,389.29 and 435,737,795.69

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Solution

The fourth proportional to 774,829,420.73, 1,069,254,389.29 and 435,737,795.69 is: 601,312,415.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,829,420.73 : 1,069,254,389.29 = 435,737,795.69 : x
  2. Step 2: Convert to fraction form
    774,829,420.73/1,069,254,389.29 = 435,737,795.69/x
  3. Step 3: Cross multiply
    774,829,420.73x = 1,069,254,389.29 × 435,737,795.69
  4. Step 4: Simplify right side
    774,829,420.73x = 465,914,550,623,493,440
  5. Step 5: Solve for x
    x = 465,914,550,623,493,440/774,829,420.73
  6. Step 6: Final answer
    x = 601,312,415.55

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1.5x scale

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.