Home / 873,220,602.63-1,205,026,017.21-476,724,429.96

Finding the Fourth Proportional to 873,220,602.63, 1,205,026,017.21 and 476,724,429.96

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Solution

The fourth proportional to 873,220,602.63, 1,205,026,017.21 and 476,724,429.96 is: 657,869,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,220,602.63 : 1,205,026,017.21 = 476,724,429.96 : x
  2. Step 2: Convert to fraction form
    873,220,602.63/1,205,026,017.21 = 476,724,429.96/x
  3. Step 3: Cross multiply
    873,220,602.63x = 1,205,026,017.21 × 476,724,429.96
  4. Step 4: Simplify right side
    873,220,602.63x = 574,465,341,141,406,400
  5. Step 5: Solve for x
    x = 574,465,341,141,406,400/873,220,602.63
  6. Step 6: Final answer
    x = 657,869,660.21

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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.