Home / 12,506,323,847.51-17,258,726,909.56-7,153,884,206.56

Finding the Fourth Proportional to 12,506,323,847.51, 17,258,726,909.56 and 7,153,884,206.56

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Solution

The fourth proportional to 12,506,323,847.51, 17,258,726,909.56 and 7,153,884,206.56 is: 9,872,360,205.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506,323,847.51 : 17,258,726,909.56 = 7,153,884,206.56 : x
  2. Step 2: Convert to fraction form
    12,506,323,847.51/17,258,726,909.56 = 7,153,884,206.56/x
  3. Step 3: Cross multiply
    12,506,323,847.51x = 17,258,726,909.56 × 7,153,884,206.56
  4. Step 4: Simplify right side
    12,506,323,847.51x = 123,466,933,863,633,371,136
  5. Step 5: Solve for x
    x = 123,466,933,863,633,371,136/12,506,323,847.51
  6. Step 6: Final answer
    x = 9,872,360,205.05

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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.