Home / 817,362,054.43-1,225,047,030.28-423,671,835.77

Finding the Fourth Proportional to 817,362,054.43, 1,225,047,030.28 and 423,671,835.77

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Solution

The fourth proportional to 817,362,054.43, 1,225,047,030.28 and 423,671,835.77 is: 634,991,459.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,362,054.43 : 1,225,047,030.28 = 423,671,835.77 : x
  2. Step 2: Convert to fraction form
    817,362,054.43/1,225,047,030.28 = 423,671,835.77/x
  3. Step 3: Cross multiply
    817,362,054.43x = 1,225,047,030.28 × 423,671,835.77
  4. Step 4: Simplify right side
    817,362,054.43x = 519,017,924,221,704,448
  5. Step 5: Solve for x
    x = 519,017,924,221,704,448/817,362,054.43
  6. Step 6: Final answer
    x = 634,991,459.91

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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.