Home / 882,712,036.76-1,218,228,740.31-659,306,280.80

Finding the Fourth Proportional to 882,712,036.76, 1,218,228,740.31 and 659,306,280.80

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Solution

The fourth proportional to 882,712,036.76, 1,218,228,740.31 and 659,306,280.80 is: 909,906,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,712,036.76 : 1,218,228,740.31 = 659,306,280.80 : x
  2. Step 2: Convert to fraction form
    882,712,036.76/1,218,228,740.31 = 659,306,280.80/x
  3. Step 3: Cross multiply
    882,712,036.76x = 1,218,228,740.31 × 659,306,280.80
  4. Step 4: Simplify right side
    882,712,036.76x = 803,185,859,931,363,968
  5. Step 5: Solve for x
    x = 803,185,859,931,363,968/882,712,036.76
  6. Step 6: Final answer
    x = 909,906,998.53

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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.