Home / 1,140,606,341.51-1,573,766,943.12-645,569,050.01

Finding the Fourth Proportional to 1,140,606,341.51, 1,573,766,943.12 and 645,569,050.01

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Solution

The fourth proportional to 1,140,606,341.51, 1,573,766,943.12 and 645,569,050.01 is: 890,732,580.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,606,341.51 : 1,573,766,943.12 = 645,569,050.01 : x
  2. Step 2: Convert to fraction form
    1,140,606,341.51/1,573,766,943.12 = 645,569,050.01/x
  3. Step 3: Cross multiply
    1,140,606,341.51x = 1,573,766,943.12 × 645,569,050.01
  4. Step 4: Simplify right side
    1,140,606,341.51x = 1,015,975,230,399,251,200
  5. Step 5: Solve for x
    x = 1,015,975,230,399,251,200/1,140,606,341.51
  6. Step 6: Final answer
    x = 890,732,580.93

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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.