Home / 507,853,465,275.35-700,837,896,478.95-279,482,707,261.40

Finding the Fourth Proportional to 507,853,465,275.35, 700,837,896,478.95 and 279,482,707,261.40

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Solution

The fourth proportional to 507,853,465,275.35, 700,837,896,478.95 and 279,482,707,261.40 is: 385,686,198,976.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,853,465,275.35 : 700,837,896,478.95 = 279,482,707,261.40 : x
  2. Step 2: Convert to fraction form
    507,853,465,275.35/700,837,896,478.95 = 279,482,707,261.40/x
  3. Step 3: Cross multiply
    507,853,465,275.35x = 700,837,896,478.95 × 279,482,707,261.40
  4. Step 4: Simplify right side
    507,853,465,275.35x = 195,872,072,659,321,732,726,784
  5. Step 5: Solve for x
    x = 195,872,072,659,321,732,726,784/507,853,465,275.35
  6. Step 6: Final answer
    x = 385,686,198,976.95

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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.