Home / 1,210,771,248.68-1,670,864,307.87-653,854,246.53

Finding the Fourth Proportional to 1,210,771,248.68, 1,670,864,307.87 and 653,854,246.53

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Solution

The fourth proportional to 1,210,771,248.68, 1,670,864,307.87 and 653,854,246.53 is: 902,318,851.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,771,248.68 : 1,670,864,307.87 = 653,854,246.53 : x
  2. Step 2: Convert to fraction form
    1,210,771,248.68/1,670,864,307.87 = 653,854,246.53/x
  3. Step 3: Cross multiply
    1,210,771,248.68x = 1,670,864,307.87 × 653,854,246.53
  4. Step 4: Simplify right side
    1,210,771,248.68x = 1,092,501,723,076,208,640
  5. Step 5: Solve for x
    x = 1,092,501,723,076,208,640/1,210,771,248.68
  6. Step 6: Final answer
    x = 902,318,851.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.