Home / 1,249,302,104.24-1,724,037,064.48-692,421,103.28

Finding the Fourth Proportional to 1,249,302,104.24, 1,724,037,064.48 and 692,421,103.28

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Solution

The fourth proportional to 1,249,302,104.24, 1,724,037,064.48 and 692,421,103.28 is: 955,541,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,302,104.24 : 1,724,037,064.48 = 692,421,103.28 : x
  2. Step 2: Convert to fraction form
    1,249,302,104.24/1,724,037,064.48 = 692,421,103.28/x
  3. Step 3: Cross multiply
    1,249,302,104.24x = 1,724,037,064.48 × 692,421,103.28
  4. Step 4: Simplify right side
    1,249,302,104.24x = 1,193,759,646,282,854,144
  5. Step 5: Solve for x
    x = 1,193,759,646,282,854,144/1,249,302,104.24
  6. Step 6: Final answer
    x = 955,541,211.55

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Double scale
Find fourth proportional to 1,249,302,105.24, 1,724,037,065.86 and 692,421,104.28
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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.