Home / 889,688,703.28-1,334,755,336.08-627,884,431.36

Finding the Fourth Proportional to 889,688,703.28, 1,334,755,336.08 and 627,884,431.36

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Solution

The fourth proportional to 889,688,703.28, 1,334,755,336.08 and 627,884,431.36 is: 941,983,518.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,688,703.28 : 1,334,755,336.08 = 627,884,431.36 : x
  2. Step 2: Convert to fraction form
    889,688,703.28/1,334,755,336.08 = 627,884,431.36/x
  3. Step 3: Cross multiply
    889,688,703.28x = 1,334,755,336.08 × 627,884,431.36
  4. Step 4: Simplify right side
    889,688,703.28x = 838,072,095,199,316,480
  5. Step 5: Solve for x
    x = 838,072,095,199,316,480/889,688,703.28
  6. Step 6: Final answer
    x = 941,983,518.63

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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.