Home / 1,190,838,781.13-1,786,461,674.23-490,948,321.31

Finding the Fourth Proportional to 1,190,838,781.13, 1,786,461,674.23 and 490,948,321.31

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Solution

The fourth proportional to 1,190,838,781.13, 1,786,461,674.23 and 490,948,321.31 is: 736,506,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,838,781.13 : 1,786,461,674.23 = 490,948,321.31 : x
  2. Step 2: Convert to fraction form
    1,190,838,781.13/1,786,461,674.23 = 490,948,321.31/x
  3. Step 3: Cross multiply
    1,190,838,781.13x = 1,786,461,674.23 × 490,948,321.31
  4. Step 4: Simplify right side
    1,190,838,781.13x = 877,060,360,047,870,592
  5. Step 5: Solve for x
    x = 877,060,360,047,870,592/1,190,838,781.13
  6. Step 6: Final answer
    x = 736,506,380.16

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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.