Home / 772,292,075.20-1,158,438,112.80-708,802,590.40

Finding the Fourth Proportional to 772,292,075.20, 1,158,438,112.80 and 708,802,590.40

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Solution

The fourth proportional to 772,292,075.20, 1,158,438,112.80 and 708,802,590.40 is: 1,063,203,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,292,075.20 : 1,158,438,112.80 = 708,802,590.40 : x
  2. Step 2: Convert to fraction form
    772,292,075.20/1,158,438,112.80 = 708,802,590.40/x
  3. Step 3: Cross multiply
    772,292,075.20x = 1,158,438,112.80 × 708,802,590.40
  4. Step 4: Simplify right side
    772,292,075.20x = 821,103,935,170,727,296
  5. Step 5: Solve for x
    x = 821,103,935,170,727,296/772,292,075.20
  6. Step 6: Final answer
    x = 1,063,203,885.60

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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.