Home / 30,853,663,807.92-42,574,651,686.81-17,302,512,317.79

Finding the Fourth Proportional to 30,853,663,807.92, 42,574,651,686.81 and 17,302,512,317.79

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Solution

The fourth proportional to 30,853,663,807.92, 42,574,651,686.81 and 17,302,512,317.79 is: 23,875,557,853.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,853,663,807.92 : 42,574,651,686.81 = 17,302,512,317.79 : x
  2. Step 2: Convert to fraction form
    30,853,663,807.92/42,574,651,686.81 = 17,302,512,317.79/x
  3. Step 3: Cross multiply
    30,853,663,807.92x = 42,574,651,686.81 × 17,302,512,317.79
  4. Step 4: Simplify right side
    30,853,663,807.92x = 736,648,435,236,648,779,776
  5. Step 5: Solve for x
    x = 736,648,435,236,648,779,776/30,853,663,807.92
  6. Step 6: Final answer
    x = 23,875,557,853.44

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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.