Home / 611,688,689,189.44-917,280,590,802.99-208,804,610,258.11

Finding the Fourth Proportional to 611,688,689,189.44, 917,280,590,802.99 and 208,804,610,258.11

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Solution

The fourth proportional to 611,688,689,189.44, 917,280,590,802.99 and 208,804,610,258.11 is: 313,120,742,045.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,688,689,189.44 : 917,280,590,802.99 = 208,804,610,258.11 : x
  2. Step 2: Convert to fraction form
    611,688,689,189.44/917,280,590,802.99 = 208,804,610,258.11/x
  3. Step 3: Cross multiply
    611,688,689,189.44x = 917,280,590,802.99 × 208,804,610,258.11
  4. Step 4: Simplify right side
    611,688,689,189.44x = 191,532,416,259,947,195,531,264
  5. Step 5: Solve for x
    x = 191,532,416,259,947,195,531,264/611,688,689,189.44
  6. Step 6: Final answer
    x = 313,120,742,045.68

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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.