Home / 885,736,740.30-1,328,605,110.45-516,893,066.70

Finding the Fourth Proportional to 885,736,740.30, 1,328,605,110.45 and 516,893,066.70

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Solution

The fourth proportional to 885,736,740.30, 1,328,605,110.45 and 516,893,066.70 is: 775,339,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,736,740.30 : 1,328,605,110.45 = 516,893,066.70 : x
  2. Step 2: Convert to fraction form
    885,736,740.30/1,328,605,110.45 = 516,893,066.70/x
  3. Step 3: Cross multiply
    885,736,740.30x = 1,328,605,110.45 × 516,893,066.70
  4. Step 4: Simplify right side
    885,736,740.30x = 686,746,769,973,792,768
  5. Step 5: Solve for x
    x = 686,746,769,973,792,768/885,736,740.30
  6. Step 6: Final answer
    x = 775,339,600.05

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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.