Home / 680,036,701.90-1,020,055,052.85-249,159,210.70

Finding the Fourth Proportional to 680,036,701.90, 1,020,055,052.85 and 249,159,210.70

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Solution

The fourth proportional to 680,036,701.90, 1,020,055,052.85 and 249,159,210.70 is: 373,738,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,036,701.90 : 1,020,055,052.85 = 249,159,210.70 : x
  2. Step 2: Convert to fraction form
    680,036,701.90/1,020,055,052.85 = 249,159,210.70/x
  3. Step 3: Cross multiply
    680,036,701.90x = 1,020,055,052.85 × 249,159,210.70
  4. Step 4: Simplify right side
    680,036,701.90x = 254,156,111,838,652,768
  5. Step 5: Solve for x
    x = 254,156,111,838,652,768/680,036,701.90
  6. Step 6: Final answer
    x = 373,738,816.05

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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.