Home / 788,177,323.20-1,182,265,984.80-497,939,678.40

Finding the Fourth Proportional to 788,177,323.20, 1,182,265,984.80 and 497,939,678.40

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Solution

The fourth proportional to 788,177,323.20, 1,182,265,984.80 and 497,939,678.40 is: 746,909,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,177,323.20 : 1,182,265,984.80 = 497,939,678.40 : x
  2. Step 2: Convert to fraction form
    788,177,323.20/1,182,265,984.80 = 497,939,678.40/x
  3. Step 3: Cross multiply
    788,177,323.20x = 1,182,265,984.80 × 497,939,678.40
  4. Step 4: Simplify right side
    788,177,323.20x = 588,697,144,254,571,264
  5. Step 5: Solve for x
    x = 588,697,144,254,571,264/788,177,323.20
  6. Step 6: Final answer
    x = 746,909,517.60

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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.