Home / 611,688,689,192.44-917,280,590,807.49-208,804,610,261.11

Finding the Fourth Proportional to 611,688,689,192.44, 917,280,590,807.49 and 208,804,610,261.11

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Solution

The fourth proportional to 611,688,689,192.44, 917,280,590,807.49 and 208,804,610,261.11 is: 313,120,742,050.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,688,689,192.44 : 917,280,590,807.49 = 208,804,610,261.11 : x
  2. Step 2: Convert to fraction form
    611,688,689,192.44/917,280,590,807.49 = 208,804,610,261.11/x
  3. Step 3: Cross multiply
    611,688,689,192.44x = 917,280,590,807.49 × 208,804,610,261.11
  4. Step 4: Simplify right side
    611,688,689,192.44x = 191,532,416,263,638,652,813,312
  5. Step 5: Solve for x
    x = 191,532,416,263,638,652,813,312/611,688,689,192.44
  6. Step 6: Final answer
    x = 313,120,742,050.18

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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.