Home / 776,073,557.53-1,070,838,221.34-441,526,549.15

Finding the Fourth Proportional to 776,073,557.53, 1,070,838,221.34 and 441,526,549.15

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Solution

The fourth proportional to 776,073,557.53, 1,070,838,221.34 and 441,526,549.15 is: 609,225,117.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,073,557.53 : 1,070,838,221.34 = 441,526,549.15 : x
  2. Step 2: Convert to fraction form
    776,073,557.53/1,070,838,221.34 = 441,526,549.15/x
  3. Step 3: Cross multiply
    776,073,557.53x = 1,070,838,221.34 × 441,526,549.15
  4. Step 4: Simplify right side
    776,073,557.53x = 472,803,504,566,174,080
  5. Step 5: Solve for x
    x = 472,803,504,566,174,080/776,073,557.53
  6. Step 6: Final answer
    x = 609,225,117.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.