Home / 1,771,478,428.40-2,657,217,642.60-1,312,313,404.40

Finding the Fourth Proportional to 1,771,478,428.40, 2,657,217,642.60 and 1,312,313,404.40

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Solution

The fourth proportional to 1,771,478,428.40, 2,657,217,642.60 and 1,312,313,404.40 is: 1,968,470,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,478,428.40 : 2,657,217,642.60 = 1,312,313,404.40 : x
  2. Step 2: Convert to fraction form
    1,771,478,428.40/2,657,217,642.60 = 1,312,313,404.40/x
  3. Step 3: Cross multiply
    1,771,478,428.40x = 2,657,217,642.60 × 1,312,313,404.40
  4. Step 4: Simplify right side
    1,771,478,428.40x = 3,487,102,330,792,148,480
  5. Step 5: Solve for x
    x = 3,487,102,330,792,148,480/1,771,478,428.40
  6. Step 6: Final answer
    x = 1,968,470,106.60

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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.