Home / 1,487,676,386.46-2,231,837,430.13-452,510,363.20

Finding the Fourth Proportional to 1,487,676,386.46, 2,231,837,430.13 and 452,510,363.20

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Solution

The fourth proportional to 1,487,676,386.46, 2,231,837,430.13 and 452,510,363.20 is: 678,863,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,676,386.46 : 2,231,837,430.13 = 452,510,363.20 : x
  2. Step 2: Convert to fraction form
    1,487,676,386.46/2,231,837,430.13 = 452,510,363.20/x
  3. Step 3: Cross multiply
    1,487,676,386.46x = 2,231,837,430.13 × 452,510,363.20
  4. Step 4: Simplify right side
    1,487,676,386.46x = 1,009,929,566,111,480,960
  5. Step 5: Solve for x
    x = 1,009,929,566,111,480,960/1,487,676,386.46
  6. Step 6: Final answer
    x = 678,863,747.05

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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.