Home / 1,124,299,642,820.80-1,551,533,507,092.90-643,123,395,482.76

Finding the Fourth Proportional to 1,124,299,642,820.80, 1,551,533,507,092.90 and 643,123,395,482.76

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Solution

The fourth proportional to 1,124,299,642,820.80, 1,551,533,507,092.90 and 643,123,395,482.76 is: 887,510,285,766.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,299,642,820.80 : 1,551,533,507,092.90 = 643,123,395,482.76 : x
  2. Step 2: Convert to fraction form
    1,124,299,642,820.80/1,551,533,507,092.90 = 643,123,395,482.76/x
  3. Step 3: Cross multiply
    1,124,299,642,820.80x = 1,551,533,507,092.90 × 643,123,395,482.76
  4. Step 4: Simplify right side
    1,124,299,642,820.80x = 997,827,497,286,860,688,850,944
  5. Step 5: Solve for x
    x = 997,827,497,286,860,688,850,944/1,124,299,642,820.80
  6. Step 6: Final answer
    x = 887,510,285,766.32

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Double scale
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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.