Home / 1,137,357,111.70-1,706,035,667.55-943,487,434.90

Finding the Fourth Proportional to 1,137,357,111.70, 1,706,035,667.55 and 943,487,434.90

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Solution

The fourth proportional to 1,137,357,111.70, 1,706,035,667.55 and 943,487,434.90 is: 1,415,231,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,357,111.70 : 1,706,035,667.55 = 943,487,434.90 : x
  2. Step 2: Convert to fraction form
    1,137,357,111.70/1,706,035,667.55 = 943,487,434.90/x
  3. Step 3: Cross multiply
    1,137,357,111.70x = 1,706,035,667.55 × 943,487,434.90
  4. Step 4: Simplify right side
    1,137,357,111.70x = 1,609,623,215,824,658,688
  5. Step 5: Solve for x
    x = 1,609,623,215,824,658,688/1,137,357,111.70
  6. Step 6: Final answer
    x = 1,415,231,152.35

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Double scale
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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.