Home / 1,190,838,782.12-1,786,461,675.72-490,948,322.32

Finding the Fourth Proportional to 1,190,838,782.12, 1,786,461,675.72 and 490,948,322.32

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Solution

The fourth proportional to 1,190,838,782.12, 1,786,461,675.72 and 490,948,322.32 is: 736,506,381.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,838,782.12 : 1,786,461,675.72 = 490,948,322.32 : x
  2. Step 2: Convert to fraction form
    1,190,838,782.12/1,786,461,675.72 = 490,948,322.32/x
  3. Step 3: Cross multiply
    1,190,838,782.12x = 1,786,461,675.72 × 490,948,322.32
  4. Step 4: Simplify right side
    1,190,838,782.12x = 877,060,362,583,709,824
  5. Step 5: Solve for x
    x = 877,060,362,583,709,824/1,190,838,782.12
  6. Step 6: Final answer
    x = 736,506,381.68

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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.