Home / 561,921,000.90-842,881,501.35-553,311,656.70

Finding the Fourth Proportional to 561,921,000.90, 842,881,501.35 and 553,311,656.70

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Solution

The fourth proportional to 561,921,000.90, 842,881,501.35 and 553,311,656.70 is: 829,967,485.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,921,000.90 : 842,881,501.35 = 553,311,656.70 : x
  2. Step 2: Convert to fraction form
    561,921,000.90/842,881,501.35 = 553,311,656.70/x
  3. Step 3: Cross multiply
    561,921,000.90x = 842,881,501.35 × 553,311,656.70
  4. Step 4: Simplify right side
    561,921,000.90x = 466,376,159,913,751,808
  5. Step 5: Solve for x
    x = 466,376,159,913,751,808/561,921,000.90
  6. Step 6: Final answer
    x = 829,967,485.05

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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.