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Finding the Fourth Proportional to 549,828,007.20, 824,742,010.80 and 549,828,007.20

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Solution

The fourth proportional to 549,828,007.20, 824,742,010.80 and 549,828,007.20 is: 824,742,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,828,007.20 : 824,742,010.80 = 549,828,007.20 : x
  2. Step 2: Convert to fraction form
    549,828,007.20/824,742,010.80 = 549,828,007.20/x
  3. Step 3: Cross multiply
    549,828,007.20x = 824,742,010.80 × 549,828,007.20
  4. Step 4: Simplify right side
    549,828,007.20x = 453,466,256,252,284,864
  5. Step 5: Solve for x
    x = 453,466,256,252,284,864/549,828,007.20
  6. Step 6: Final answer
    x = 824,742,010.80

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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.