Home / 1,190,838,766.98-1,786,461,652.76-490,948,307.16

Finding the Fourth Proportional to 1,190,838,766.98, 1,786,461,652.76 and 490,948,307.16

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Solution

The fourth proportional to 1,190,838,766.98, 1,786,461,652.76 and 490,948,307.16 is: 736,506,358.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,838,766.98 : 1,786,461,652.76 = 490,948,307.16 : x
  2. Step 2: Convert to fraction form
    1,190,838,766.98/1,786,461,652.76 = 490,948,307.16/x
  3. Step 3: Cross multiply
    1,190,838,766.98x = 1,786,461,652.76 × 490,948,307.16
  4. Step 4: Simplify right side
    1,190,838,766.98x = 877,060,324,234,646,400
  5. Step 5: Solve for x
    x = 877,060,324,234,646,400/1,190,838,766.98
  6. Step 6: Final answer
    x = 736,506,358.84

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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.