Home / 787,746,623.04-1,087,093,667.52-430,521,693.12

Finding the Fourth Proportional to 787,746,623.04, 1,087,093,667.52 and 430,521,693.12

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Solution

The fourth proportional to 787,746,623.04, 1,087,093,667.52 and 430,521,693.12 is: 594,121,755.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,746,623.04 : 1,087,093,667.52 = 430,521,693.12 : x
  2. Step 2: Convert to fraction form
    787,746,623.04/1,087,093,667.52 = 430,521,693.12/x
  3. Step 3: Cross multiply
    787,746,623.04x = 1,087,093,667.52 × 430,521,693.12
  4. Step 4: Simplify right side
    787,746,623.04x = 468,017,406,320,740,736
  5. Step 5: Solve for x
    x = 468,017,406,320,740,736/787,746,623.04
  6. Step 6: Final answer
    x = 594,121,755.18

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1.5x scale

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.