Home / 1,366,565,528.79-1,885,862,248.37-740,035,037.25

Finding the Fourth Proportional to 1,366,565,528.79, 1,885,862,248.37 and 740,035,037.25

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Solution

The fourth proportional to 1,366,565,528.79, 1,885,862,248.37 and 740,035,037.25 is: 1,021,249,336.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,565,528.79 : 1,885,862,248.37 = 740,035,037.25 : x
  2. Step 2: Convert to fraction form
    1,366,565,528.79/1,885,862,248.37 = 740,035,037.25/x
  3. Step 3: Cross multiply
    1,366,565,528.79x = 1,885,862,248.37 × 740,035,037.25
  4. Step 4: Simplify right side
    1,366,565,528.79x = 1,395,604,139,217,161,472
  5. Step 5: Solve for x
    x = 1,395,604,139,217,161,472/1,366,565,528.79
  6. Step 6: Final answer
    x = 1,021,249,336.25

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Double scale
Find fourth proportional to 1,366,565,529.79, 1,885,862,249.75 and 740,035,038.25
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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.