Home / 680,036,666.40-1,020,054,999.60-249,159,175.20

Finding the Fourth Proportional to 680,036,666.40, 1,020,054,999.60 and 249,159,175.20

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Solution

The fourth proportional to 680,036,666.40, 1,020,054,999.60 and 249,159,175.20 is: 373,738,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,036,666.40 : 1,020,054,999.60 = 249,159,175.20 : x
  2. Step 2: Convert to fraction form
    680,036,666.40/1,020,054,999.60 = 249,159,175.20/x
  3. Step 3: Cross multiply
    680,036,666.40x = 1,020,054,999.60 × 249,159,175.20
  4. Step 4: Simplify right side
    680,036,666.40x = 254,156,062,358,972,320
  5. Step 5: Solve for x
    x = 254,156,062,358,972,320/680,036,666.40
  6. Step 6: Final answer
    x = 373,738,762.80

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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.