Home / 2,991,500,547.12-4,487,038,244.28-921,006,411.12

Finding the Fourth Proportional to 2,991,500,547.12, 4,487,038,244.28 and 921,006,411.12

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Solution

The fourth proportional to 2,991,500,547.12, 4,487,038,244.28 and 921,006,411.12 is: 1,381,444,169.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,500,547.12 : 4,487,038,244.28 = 921,006,411.12 : x
  2. Step 2: Convert to fraction form
    2,991,500,547.12/4,487,038,244.28 = 921,006,411.12/x
  3. Step 3: Cross multiply
    2,991,500,547.12x = 4,487,038,244.28 × 921,006,411.12
  4. Step 4: Simplify right side
    2,991,500,547.12x = 4,132,590,989,922,508,288
  5. Step 5: Solve for x
    x = 4,132,590,989,922,508,288/2,991,500,547.12
  6. Step 6: Final answer
    x = 1,381,444,169.85

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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.