Home / 1,124,069,411.20-1,686,104,116.80-1,009,561,590.40

Finding the Fourth Proportional to 1,124,069,411.20, 1,686,104,116.80 and 1,009,561,590.40

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Solution

The fourth proportional to 1,124,069,411.20, 1,686,104,116.80 and 1,009,561,590.40 is: 1,514,342,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,069,411.20 : 1,686,104,116.80 = 1,009,561,590.40 : x
  2. Step 2: Convert to fraction form
    1,124,069,411.20/1,686,104,116.80 = 1,009,561,590.40/x
  3. Step 3: Cross multiply
    1,124,069,411.20x = 1,686,104,116.80 × 1,009,561,590.40
  4. Step 4: Simplify right side
    1,124,069,411.20x = 1,702,225,953,736,595,200
  5. Step 5: Solve for x
    x = 1,702,225,953,736,595,200/1,124,069,411.20
  6. Step 6: Final answer
    x = 1,514,342,385.60

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Half scale
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Double scale
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Similar ratio
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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.