Home / 531,443,206.80-797,164,810.20-489,353,079.60

Finding the Fourth Proportional to 531,443,206.80, 797,164,810.20 and 489,353,079.60

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Solution

The fourth proportional to 531,443,206.80, 797,164,810.20 and 489,353,079.60 is: 734,029,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,443,206.80 : 797,164,810.20 = 489,353,079.60 : x
  2. Step 2: Convert to fraction form
    531,443,206.80/797,164,810.20 = 489,353,079.60/x
  3. Step 3: Cross multiply
    531,443,206.80x = 797,164,810.20 × 489,353,079.60
  4. Step 4: Simplify right side
    531,443,206.80x = 390,095,054,820,119,552
  5. Step 5: Solve for x
    x = 390,095,054,820,119,552/531,443,206.80
  6. Step 6: Final answer
    x = 734,029,619.40

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1.5x scale

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.