Home / 476,931,451.20-715,397,176.80-400,403,947.20

Finding the Fourth Proportional to 476,931,451.20, 715,397,176.80 and 400,403,947.20

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Solution

The fourth proportional to 476,931,451.20, 715,397,176.80 and 400,403,947.20 is: 600,605,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,931,451.20 : 715,397,176.80 = 400,403,947.20 : x
  2. Step 2: Convert to fraction form
    476,931,451.20/715,397,176.80 = 400,403,947.20/x
  3. Step 3: Cross multiply
    476,931,451.20x = 715,397,176.80 × 400,403,947.20
  4. Step 4: Simplify right side
    476,931,451.20x = 286,447,853,406,456,224
  5. Step 5: Solve for x
    x = 286,447,853,406,456,224/476,931,451.20
  6. Step 6: Final answer
    x = 600,605,920.80

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1.5x scale

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.