Home / 877,264,250.95-1,315,886,231.63-213,282,031.70

Finding the Fourth Proportional to 877,264,250.95, 1,315,886,231.63 and 213,282,031.70

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Solution

The fourth proportional to 877,264,250.95, 1,315,886,231.63 and 213,282,031.70 is: 319,920,581.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,264,250.95 : 1,315,886,231.63 = 213,282,031.70 : x
  2. Step 2: Convert to fraction form
    877,264,250.95/1,315,886,231.63 = 213,282,031.70/x
  3. Step 3: Cross multiply
    877,264,250.95x = 1,315,886,231.63 × 213,282,031.70
  4. Step 4: Simplify right side
    877,264,250.95x = 280,654,888,971,926,080
  5. Step 5: Solve for x
    x = 280,654,888,971,926,080/877,264,250.95
  6. Step 6: Final answer
    x = 319,920,581.13

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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.