Home / 1,111,211,612.55-1,533,223,632.02-634,749,678.72

Finding the Fourth Proportional to 1,111,211,612.55, 1,533,223,632.02 and 634,749,678.72

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Solution

The fourth proportional to 1,111,211,612.55, 1,533,223,632.02 and 634,749,678.72 is: 875,812,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,211,612.55 : 1,533,223,632.02 = 634,749,678.72 : x
  2. Step 2: Convert to fraction form
    1,111,211,612.55/1,533,223,632.02 = 634,749,678.72/x
  3. Step 3: Cross multiply
    1,111,211,612.55x = 1,533,223,632.02 × 634,749,678.72
  4. Step 4: Simplify right side
    1,111,211,612.55x = 973,213,207,827,432,832
  5. Step 5: Solve for x
    x = 973,213,207,827,432,832/1,111,211,612.55
  6. Step 6: Final answer
    x = 875,812,668.65

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Double scale
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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.