Home / 553,004,005.60-829,506,008.40-347,866,904.80

Finding the Fourth Proportional to 553,004,005.60, 829,506,008.40 and 347,866,904.80

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Solution

The fourth proportional to 553,004,005.60, 829,506,008.40 and 347,866,904.80 is: 521,800,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,004,005.60 : 829,506,008.40 = 347,866,904.80 : x
  2. Step 2: Convert to fraction form
    553,004,005.60/829,506,008.40 = 347,866,904.80/x
  3. Step 3: Cross multiply
    553,004,005.60x = 829,506,008.40 × 347,866,904.80
  4. Step 4: Simplify right side
    553,004,005.60x = 288,557,687,655,110,784
  5. Step 5: Solve for x
    x = 288,557,687,655,110,784/553,004,005.60
  6. Step 6: Final answer
    x = 521,800,357.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.