Home / 1,813,875,813.95-2,501,859,193.91-1,210,742,342.89

Finding the Fourth Proportional to 1,813,875,813.95, 2,501,859,193.91 and 1,210,742,342.89

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Solution

The fourth proportional to 1,813,875,813.95, 2,501,859,193.91 and 1,210,742,342.89 is: 1,669,963,753.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,875,813.95 : 2,501,859,193.91 = 1,210,742,342.89 : x
  2. Step 2: Convert to fraction form
    1,813,875,813.95/2,501,859,193.91 = 1,210,742,342.89/x
  3. Step 3: Cross multiply
    1,813,875,813.95x = 2,501,859,193.91 × 1,210,742,342.89
  4. Step 4: Simplify right side
    1,813,875,813.95x = 3,029,106,862,015,480,320
  5. Step 5: Solve for x
    x = 3,029,106,862,015,480,320/1,813,875,813.95
  6. Step 6: Final answer
    x = 1,669,963,753.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.