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Finding the Fourth Proportional to 549,828,005.70, 824,742,008.55 and 549,828,005.70

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Solution

The fourth proportional to 549,828,005.70, 824,742,008.55 and 549,828,005.70 is: 824,742,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,828,005.70 : 824,742,008.55 = 549,828,005.70 : x
  2. Step 2: Convert to fraction form
    549,828,005.70/824,742,008.55 = 549,828,005.70/x
  3. Step 3: Cross multiply
    549,828,005.70x = 824,742,008.55 × 549,828,005.70
  4. Step 4: Simplify right side
    549,828,005.70x = 453,466,253,778,058,880
  5. Step 5: Solve for x
    x = 453,466,253,778,058,880/549,828,005.70
  6. Step 6: Final answer
    x = 824,742,008.55

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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.