Home / 10,865,772,030.60-16,298,658,045.90-8,688,989,694.60

Finding the Fourth Proportional to 10,865,772,030.60, 16,298,658,045.90 and 8,688,989,694.60

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Solution

The fourth proportional to 10,865,772,030.60, 16,298,658,045.90 and 8,688,989,694.60 is: 13,033,484,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,772,030.60 : 16,298,658,045.90 = 8,688,989,694.60 : x
  2. Step 2: Convert to fraction form
    10,865,772,030.60/16,298,658,045.90 = 8,688,989,694.60/x
  3. Step 3: Cross multiply
    10,865,772,030.60x = 16,298,658,045.90 × 8,688,989,694.60
  4. Step 4: Simplify right side
    10,865,772,030.60x = 141,618,871,796,634,484,736
  5. Step 5: Solve for x
    x = 141,618,871,796,634,484,736/10,865,772,030.60
  6. Step 6: Final answer
    x = 13,033,484,541.90

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Double scale
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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.