Home / 1,140,606,342.51-1,573,766,944.50-645,569,051.01

Finding the Fourth Proportional to 1,140,606,342.51, 1,573,766,944.50 and 645,569,051.01

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Solution

The fourth proportional to 1,140,606,342.51, 1,573,766,944.50 and 645,569,051.01 is: 890,732,582.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,606,342.51 : 1,573,766,944.50 = 645,569,051.01 : x
  2. Step 2: Convert to fraction form
    1,140,606,342.51/1,573,766,944.50 = 645,569,051.01/x
  3. Step 3: Cross multiply
    1,140,606,342.51x = 1,573,766,944.50 × 645,569,051.01
  4. Step 4: Simplify right side
    1,140,606,342.51x = 1,015,975,232,871,772,288
  5. Step 5: Solve for x
    x = 1,015,975,232,871,772,288/1,140,606,342.51
  6. Step 6: Final answer
    x = 890,732,582.32

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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.