Home / 816,107,297.60-1,224,160,946.40-808,454,547.20

Finding the Fourth Proportional to 816,107,297.60, 1,224,160,946.40 and 808,454,547.20

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Solution

The fourth proportional to 816,107,297.60, 1,224,160,946.40 and 808,454,547.20 is: 1,212,681,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,107,297.60 : 1,224,160,946.40 = 808,454,547.20 : x
  2. Step 2: Convert to fraction form
    816,107,297.60/1,224,160,946.40 = 808,454,547.20/x
  3. Step 3: Cross multiply
    816,107,297.60x = 1,224,160,946.40 × 808,454,547.20
  4. Step 4: Simplify right side
    816,107,297.60x = 989,678,483,621,735,552
  5. Step 5: Solve for x
    x = 989,678,483,621,735,552/816,107,297.60
  6. Step 6: Final answer
    x = 1,212,681,820.80

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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.