Home / 30,989,820,443.80-46,484,730,665.70-10,030,371,988.90

Finding the Fourth Proportional to 30,989,820,443.80, 46,484,730,665.70 and 10,030,371,988.90

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Solution

The fourth proportional to 30,989,820,443.80, 46,484,730,665.70 and 10,030,371,988.90 is: 15,045,557,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,989,820,443.80 : 46,484,730,665.70 = 10,030,371,988.90 : x
  2. Step 2: Convert to fraction form
    30,989,820,443.80/46,484,730,665.70 = 10,030,371,988.90/x
  3. Step 3: Cross multiply
    30,989,820,443.80x = 46,484,730,665.70 × 10,030,371,988.90
  4. Step 4: Simplify right side
    30,989,820,443.80x = 466,259,140,380,798,091,264
  5. Step 5: Solve for x
    x = 466,259,140,380,798,091,264/30,989,820,443.80
  6. Step 6: Final answer
    x = 15,045,557,983.35

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1.5x scale

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.