Home / 553,005,323.60-829,507,985.40-347,868,222.80

Finding the Fourth Proportional to 553,005,323.60, 829,507,985.40 and 347,868,222.80

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Solution

The fourth proportional to 553,005,323.60, 829,507,985.40 and 347,868,222.80 is: 521,802,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,005,323.60 : 829,507,985.40 = 347,868,222.80 : x
  2. Step 2: Convert to fraction form
    553,005,323.60/829,507,985.40 = 347,868,222.80/x
  3. Step 3: Cross multiply
    553,005,323.60x = 829,507,985.40 × 347,868,222.80
  4. Step 4: Simplify right side
    553,005,323.60x = 288,559,468,679,506,368
  5. Step 5: Solve for x
    x = 288,559,468,679,506,368/553,005,323.60
  6. Step 6: Final answer
    x = 521,802,334.20

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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.