Home / 969,931,205.40-1,454,896,808.10-478,879,721.40

Finding the Fourth Proportional to 969,931,205.40, 1,454,896,808.10 and 478,879,721.40

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Solution

The fourth proportional to 969,931,205.40, 1,454,896,808.10 and 478,879,721.40 is: 718,319,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,931,205.40 : 1,454,896,808.10 = 478,879,721.40 : x
  2. Step 2: Convert to fraction form
    969,931,205.40/1,454,896,808.10 = 478,879,721.40/x
  3. Step 3: Cross multiply
    969,931,205.40x = 1,454,896,808.10 × 478,879,721.40
  4. Step 4: Simplify right side
    969,931,205.40x = 696,720,578,128,677,120
  5. Step 5: Solve for x
    x = 696,720,578,128,677,120/969,931,205.40
  6. Step 6: Final answer
    x = 718,319,582.10

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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.