Home / 1,513,598,612.10-2,270,397,918.15-990,580,951.95

Finding the Fourth Proportional to 1,513,598,612.10, 2,270,397,918.15 and 990,580,951.95

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Solution

The fourth proportional to 1,513,598,612.10, 2,270,397,918.15 and 990,580,951.95 is: 1,485,871,427.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,598,612.10 : 2,270,397,918.15 = 990,580,951.95 : x
  2. Step 2: Convert to fraction form
    1,513,598,612.10/2,270,397,918.15 = 990,580,951.95/x
  3. Step 3: Cross multiply
    1,513,598,612.10x = 2,270,397,918.15 × 990,580,951.95
  4. Step 4: Simplify right side
    1,513,598,612.10x = 2,249,012,931,066,325,504
  5. Step 5: Solve for x
    x = 2,249,012,931,066,325,504/1,513,598,612.10
  6. Step 6: Final answer
    x = 1,485,871,427.93

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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.