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Finding the Fourth Proportional to 1,742,688,221.70, 2,445,885,710.70 and 1,742,688,221.70

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Solution

The fourth proportional to 1,742,688,221.70, 2,445,885,710.70 and 1,742,688,221.70 is: 2,445,885,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742,688,221.70 : 2,445,885,710.70 = 1,742,688,221.70 : x
  2. Step 2: Convert to fraction form
    1,742,688,221.70/2,445,885,710.70 = 1,742,688,221.70/x
  3. Step 3: Cross multiply
    1,742,688,221.70x = 2,445,885,710.70 × 1,742,688,221.70
  4. Step 4: Simplify right side
    1,742,688,221.70x = 4,262,416,219,661,223,424
  5. Step 5: Solve for x
    x = 4,262,416,219,661,223,424/1,742,688,221.70
  6. Step 6: Final answer
    x = 2,445,885,710.70

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Half scale
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Double scale
Find fourth proportional to 1,742,688,222.70, 2,445,885,712.10 and 1,742,688,222.70
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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.