Home / 680,036,700.90-1,020,055,051.35-249,159,209.70

Finding the Fourth Proportional to 680,036,700.90, 1,020,055,051.35 and 249,159,209.70

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Solution

The fourth proportional to 680,036,700.90, 1,020,055,051.35 and 249,159,209.70 is: 373,738,814.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,036,700.90 : 1,020,055,051.35 = 249,159,209.70 : x
  2. Step 2: Convert to fraction form
    680,036,700.90/1,020,055,051.35 = 249,159,209.70/x
  3. Step 3: Cross multiply
    680,036,700.90x = 1,020,055,051.35 × 249,159,209.70
  4. Step 4: Simplify right side
    680,036,700.90x = 254,156,110,444,858,912
  5. Step 5: Solve for x
    x = 254,156,110,444,858,912/680,036,700.90
  6. Step 6: Final answer
    x = 373,738,814.55

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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.