Home / 913,456,315.08-1,260,570,931.14-495,768,600.36

Finding the Fourth Proportional to 913,456,315.08, 1,260,570,931.14 and 495,768,600.36

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Solution

The fourth proportional to 913,456,315.08, 1,260,570,931.14 and 495,768,600.36 is: 684,161,328.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,456,315.08 : 1,260,570,931.14 = 495,768,600.36 : x
  2. Step 2: Convert to fraction form
    913,456,315.08/1,260,570,931.14 = 495,768,600.36/x
  3. Step 3: Cross multiply
    913,456,315.08x = 1,260,570,931.14 × 495,768,600.36
  4. Step 4: Simplify right side
    913,456,315.08x = 624,951,486,185,779,840
  5. Step 5: Solve for x
    x = 624,951,486,185,779,840/913,456,315.08
  6. Step 6: Final answer
    x = 684,161,328.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.