Home / 1,398,210,011.49-2,097,591,307.02-512,903,593.02

Finding the Fourth Proportional to 1,398,210,011.49, 2,097,591,307.02 and 512,903,593.02

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Solution

The fourth proportional to 1,398,210,011.49, 2,097,591,307.02 and 512,903,593.02 is: 769,456,740.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,210,011.49 : 2,097,591,307.02 = 512,903,593.02 : x
  2. Step 2: Convert to fraction form
    1,398,210,011.49/2,097,591,307.02 = 512,903,593.02/x
  3. Step 3: Cross multiply
    1,398,210,011.49x = 2,097,591,307.02 × 512,903,593.02
  4. Step 4: Simplify right side
    1,398,210,011.49x = 1,075,862,118,058,075,904
  5. Step 5: Solve for x
    x = 1,075,862,118,058,075,904/1,398,210,011.49
  6. Step 6: Final answer
    x = 769,456,740.56

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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.