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Finding the Fourth Proportional to 749,952,341.60, 1,047,514,631.20 and 749,952,341.60

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Solution

The fourth proportional to 749,952,341.60, 1,047,514,631.20 and 749,952,341.60 is: 1,047,514,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,952,341.60 : 1,047,514,631.20 = 749,952,341.60 : x
  2. Step 2: Convert to fraction form
    749,952,341.60/1,047,514,631.20 = 749,952,341.60/x
  3. Step 3: Cross multiply
    749,952,341.60x = 1,047,514,631.20 × 749,952,341.60
  4. Step 4: Simplify right side
    749,952,341.60x = 785,586,050,528,700,416
  5. Step 5: Solve for x
    x = 785,586,050,528,700,416/749,952,341.60
  6. Step 6: Final answer
    x = 1,047,514,631.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.