Home / 527,664,348,475-728,136,838,681.40-296,133,151,549.76

Finding the Fourth Proportional to 527,664,348,475, 728,136,838,681.40 and 296,133,151,549.76

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Solution

The fourth proportional to 527,664,348,475, 728,136,838,681.40 and 296,133,151,549.76 is: 408,641,321,744.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,664,348,475 : 728,136,838,681.40 = 296,133,151,549.76 : x
  2. Step 2: Convert to fraction form
    527,664,348,475/728,136,838,681.40 = 296,133,151,549.76/x
  3. Step 3: Cross multiply
    527,664,348,475x = 728,136,838,681.40 × 296,133,151,549.76
  4. Step 4: Simplify right side
    527,664,348,475x = 215,625,456,798,202,205,306,880
  5. Step 5: Solve for x
    x = 215,625,456,798,202,205,306,880/527,664,348,475
  6. Step 6: Final answer
    x = 408,641,321,744.36

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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.