Home / 1,185,849,323.79-1,636,472,221.94-657,247,436.61

Finding the Fourth Proportional to 1,185,849,323.79, 1,636,472,221.94 and 657,247,436.61

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Solution

The fourth proportional to 1,185,849,323.79, 1,636,472,221.94 and 657,247,436.61 is: 907,001,548.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,849,323.79 : 1,636,472,221.94 = 657,247,436.61 : x
  2. Step 2: Convert to fraction form
    1,185,849,323.79/1,636,472,221.94 = 657,247,436.61/x
  3. Step 3: Cross multiply
    1,185,849,323.79x = 1,636,472,221.94 × 657,247,436.61
  4. Step 4: Simplify right side
    1,185,849,323.79x = 1,075,567,172,953,536,000
  5. Step 5: Solve for x
    x = 1,075,567,172,953,536,000/1,185,849,323.79
  6. Step 6: Final answer
    x = 907,001,548.49

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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.