Home / 680,036,701.40-1,020,055,052.10-249,159,210.20

Finding the Fourth Proportional to 680,036,701.40, 1,020,055,052.10 and 249,159,210.20

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Solution

The fourth proportional to 680,036,701.40, 1,020,055,052.10 and 249,159,210.20 is: 373,738,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,036,701.40 : 1,020,055,052.10 = 249,159,210.20 : x
  2. Step 2: Convert to fraction form
    680,036,701.40/1,020,055,052.10 = 249,159,210.20/x
  3. Step 3: Cross multiply
    680,036,701.40x = 1,020,055,052.10 × 249,159,210.20
  4. Step 4: Simplify right side
    680,036,701.40x = 254,156,111,141,755,840
  5. Step 5: Solve for x
    x = 254,156,111,141,755,840/680,036,701.40
  6. Step 6: Final answer
    x = 373,738,815.30

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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.