Home / 1,989,849,604,516.40-2,984,774,406,774.60-985,655,697,028.40

Finding the Fourth Proportional to 1,989,849,604,516.40, 2,984,774,406,774.60 and 985,655,697,028.40

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Solution

The fourth proportional to 1,989,849,604,516.40, 2,984,774,406,774.60 and 985,655,697,028.40 is: 1,478,483,545,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,849,604,516.40 : 2,984,774,406,774.60 = 985,655,697,028.40 : x
  2. Step 2: Convert to fraction form
    1,989,849,604,516.40/2,984,774,406,774.60 = 985,655,697,028.40/x
  3. Step 3: Cross multiply
    1,989,849,604,516.40x = 2,984,774,406,774.60 × 985,655,697,028.40
  4. Step 4: Simplify right side
    1,989,849,604,516.40x = 2,941,959,898,381,947,615,838,208
  5. Step 5: Solve for x
    x = 2,941,959,898,381,947,615,838,208/1,989,849,604,516.40
  6. Step 6: Final answer
    x = 1,478,483,545,542.60

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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.